# Quiz 2: Organizing and Graphing Data

Statistics

Q 1Q 1

Raw data are the data that:
A)are presented in the form of a frequency table
B)give information on each individual sample member separately
C)are arranged in increasing order
D)are arranged in a random order

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Multiple Choice

B

Q 2Q 2

We obtain the relative frequency of a category by:
A)dividing the frequency of that category by the sum of all frequencies
B)multiplying the frequency of that category by 100
C)dividing the frequency of that category by 100
D)dividing the sum of all frequencies by the frequency of that category

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Multiple Choice

A

Q 3Q 3

We obtain the percentage of a category by:
A)multiplying the frequency of that category by 100
B)multiplying the relative frequency of that category by 100
C)dividing the frequency of that category by 100
D)dividing the sum of all frequencies by the frequency of that category

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Multiple Choice

B

Q 4Q 4

Use the following to answer questions 4-8:
The following table gives the frequency distribution of the highest degrees held by 25 professionals.
-The number of persons with a Master's degree as their highest degree is:

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Short Answer

Q 5Q 5

Use the following to answer questions 4-8:
The following table gives the frequency distribution of the highest degrees held by 25 professionals.
-The number of persons who possess a Doctorate is:

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Short Answer

Q 6Q 6

Use the following to answer questions 4-8:
The following table gives the frequency distribution of the highest degrees held by 25 professionals.
-The percentage of persons with a Bachelor's degree as the highest degree is:

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Short Answer

Q 7Q 7

Use the following to answer questions 4-8:
The following table gives the frequency distribution of the highest degrees held by 25 professionals.
-The percentage of persons who hold a Doctorate is:

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Short Answer

Q 8Q 8

Use the following to answer questions 4-8:
The following table gives the frequency distribution of the highest degrees held by 25 professionals.
-The percentage of persons who do not hold a Doctorate is:

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Short Answer

Q 9Q 9

Use the following to answer questions 9-13:
The following table gives the frequency distribution of opinions of 50 persons in regard to an issue.
-The percentage of persons who have no opinion is:

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Short Answer

Q 10Q 10

Use the following to answer questions 9-13:
The following table gives the frequency distribution of opinions of 50 persons in regard to an issue.
-The relative frequency,expressed to two decimal places,of the "Against" category is:

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Short Answer

Q 11Q 11

Use the following to answer questions 9-13:
The following table gives the frequency distribution of opinions of 50 persons in regard to an issue.
-The sample size is:

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Short Answer

Q 12Q 12

Use the following to answer questions 9-13:
The following table gives the frequency distribution of opinions of 50 persons in regard to an issue.
-The percentage of persons who are either against this issue or have no opinion is:

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Short Answer

Q 13Q 13

Use the following to answer questions 9-13:
The following table gives the frequency distribution of opinions of 50 persons in regard to an issue.
-The percentage of persons who are either in favor of this issue or have no opinion is:

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Short Answer

Q 14Q 14

In a frequency distribution,the classes should always:
A)be overlapping
B)have the same frequency
C)have a width of 10
D)be non-overlapping

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Multiple Choice

Q 15Q 15

The number of classes in a frequency distribution depends on the size of the data set.In general,the:
A)larger the data set,the larger the number of classes
B)larger the data set,the smaller the number of classes
C)number of classes should be equal to the number of values in the data set divided by 5
D)smaller the data set,the larger the number of classes

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Multiple Choice

Q 16Q 16

When preparing a frequency distribution,the lower limit of the first class should always be:
A)a number that is greater than the smallest value in the data set
B)equal to 10
C)a number that is less than or equal to the smallest value in the data set
D)equal to zero

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Multiple Choice

Q 17Q 17

A distribution curve that is right-skewed has:
A)both tails of the same length
B)a longer tail on the left side
C)a shorter tail on the right side
D)a longer tail on the right side

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Multiple Choice

Q 18Q 18

A symmetric distribution curve:
A)has a longer tail on the right side
B)has a longer tail on the left side
C)is identical on both sides of the mean
D)is triangular in shape

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Multiple Choice

Q 19Q 19

The procedure for obtaining the midpoint of a class is to:
A)add the lower limit to the upper limit of the previous class
B)subtract the lower limit from the upper limit
C)multiply the sum of the two class limits by 2
D)divide the sum of the two class limits by 2

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Multiple Choice

Q 20Q 20

The procedure for obtaining the relative frequency of a class is to:
A)divide the frequency of that class by the sum of all frequencies
B)multiply the frequency of that class by 100
C)divide the frequency of that class by 100
D)divide the sum of all frequencies by the frequency of that class

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Multiple Choice

Q 21Q 21

The procedure for obtaining the percentage for a class is to:
A)multiply the frequency of that class by 100
B)multiply the relative frequency of that class by 100
C)divide the relative frequency of that class by 100
D)divide the sum of all frequencies by 100

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Multiple Choice

Q 22Q 22

In a frequency histogram,the frequency of a class is the:
A)height of the corresponding bar
B)width of the corresponding bar
C)height multiplied by the width of the corresponding bar
D)height divided by the width of the corresponding bar

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Multiple Choice

Q 23Q 23

We can construct a frequency histogram for:
A)qualitative data only
B)any kind of data
C)qualitative and quantitative data
D)continuous data

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Multiple Choice

Q 24Q 24

In a frequency distribution,the correct notation for the sum of the frequencies is:
A)
B)
C)
D)

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Multiple Choice

Q 25Q 25

A rectangular histogram has:
A)a longer tail on the right side
B)a longer tail on the left side
C)shorter tails on both sides
D)the same frequency for each class

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Multiple Choice

Q 26Q 26

Use the following to answer questions 26-35:
The following table gives the frequency distribution of test scores for a math class of 30 students.
-The number of classes in this frequency table is:

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Short Answer

Q 27Q 27

Use the following to answer questions 26-35:
The following table gives the frequency distribution of test scores for a math class of 30 students.
-The width of each class in this frequency table is:

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Short Answer

Q 28Q 28

Use the following to answer questions 26-35:
The following table gives the frequency distribution of test scores for a math class of 30 students.
-The midpoint of the fourth class is:

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Short Answer

Q 29Q 29

Use the following to answer questions 26-35:
The following table gives the frequency distribution of test scores for a math class of 30 students.
-The lower boundary of the first class is:

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Short Answer

Q 30Q 30

Use the following to answer questions 26-35:
The following table gives the frequency distribution of test scores for a math class of 30 students.
-The upper boundary of the third class is:

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Short Answer

Q 31Q 31

Use the following to answer questions 26-35:
The following table gives the frequency distribution of test scores for a math class of 30 students.
-The sample size is:

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Short Answer

Q 32Q 32

Use the following to answer questions 26-35:
The following table gives the frequency distribution of test scores for a math class of 30 students.
-The relative frequency of the second class,rounded to three decimal places,is:

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Short Answer

Q 33Q 33

Use the following to answer questions 26-35:
The following table gives the frequency distribution of test scores for a math class of 30 students.
-The percentage of students who scored 80 or less on the test,rounded to two decimal places,is:

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Short Answer

Q 34Q 34

Use the following to answer questions 26-35:
The following table gives the frequency distribution of test scores for a math class of 30 students.
-The lower limit of the fourth class is:

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Short Answer

Q 35Q 35

Use the following to answer questions 26-35:
The following table gives the frequency distribution of test scores for a math class of 30 students.
-The upper limit of the fourth class is:

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Short Answer

Q 36Q 36

Use the following to answer questions 36-45:
The following table gives the frequency distribution of rents paid per month by 500 families selected from a city.
-The number of classes in this frequency table is:

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Short Answer

Q 37Q 37

Use the following to answer questions 36-45:
The following table gives the frequency distribution of rents paid per month by 500 families selected from a city.
-The width of each class in this frequency table is:

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Short Answer

Q 38Q 38

Use the following to answer questions 36-45:
The following table gives the frequency distribution of rents paid per month by 500 families selected from a city.
-The midpoint of the second class is:

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Short Answer

Q 39Q 39

Use the following to answer questions 36-45:
The following table gives the frequency distribution of rents paid per month by 500 families selected from a city.
-The lower boundary of the fifth class is:

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Short Answer

Q 40Q 40

Use the following to answer questions 36-45:
The following table gives the frequency distribution of rents paid per month by 500 families selected from a city.
-The upper boundary of the fourth class is:

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Short Answer

Q 41Q 41

Use the following to answer questions 36-45:
The following table gives the frequency distribution of rents paid per month by 500 families selected from a city.
-The sample size is:

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Short Answer

Q 42Q 42

Use the following to answer questions 36-45:
The following table gives the frequency distribution of rents paid per month by 500 families selected from a city.
-The relative frequency of the sixth class,rounded to three decimal places,is:

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Short Answer

Q 43Q 43

Use the following to answer questions 36-45:
The following table gives the frequency distribution of rents paid per month by 500 families selected from a city.
-The percentage of families who paid a rent of $500 or less per month,rounded to one decimal place,is:

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Short Answer

Q 44Q 44

Use the following to answer questions 36-45:
The following table gives the frequency distribution of rents paid per month by 500 families selected from a city.
-The lower limit of the third class is:

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Short Answer

Q 45Q 45

Use the following to answer questions 36-45:
The following table gives the frequency distribution of rents paid per month by 500 families selected from a city.
-The upper limit of the second class is:

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Short Answer

Q 46Q 46

Use the following to answer questions 46-51:
The following table gives the frequency distribution of the number of telephones owned by a sample of 50 households selected from a city.
-The relative frequency of the second class,rounded to two decimal places,is:

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Short Answer

Q 47Q 47

Use the following to answer questions 46-51:
The following table gives the frequency distribution of the number of telephones owned by a sample of 50 households selected from a city.
-The number of households which own more than one telephone is:

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Short Answer

Q 48Q 48

Use the following to answer questions 46-51:
The following table gives the frequency distribution of the number of telephones owned by a sample of 50 households selected from a city.
-The percentage of households which own three or more telephones is:

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Short Answer

Q 49Q 49

Use the following to answer questions 46-51:
The following table gives the frequency distribution of the number of telephones owned by a sample of 50 households selected from a city.
-The number of households which own one or two telephones is:

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Short Answer

Q 50Q 50

Use the following to answer questions 46-51:
The following table gives the frequency distribution of the number of telephones owned by a sample of 50 households selected from a city.
-The percentage of households which do not own a telephone is:

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Short Answer

Q 51Q 51

Use the following to answer questions 46-51:
The following table gives the frequency distribution of the number of telephones owned by a sample of 50 households selected from a city.
-The number of classes for this frequency distribution table is::

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Short Answer

Q 52Q 52

Use the following to answer questions 52-57:
The following table gives the frequency distribution of the number of rooms for a sample of 100 houses.
-The relative frequency of the fourth class,rounded to two decimal places,is:

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Short Answer

Q 53Q 53

Use the following to answer questions 52-57:
The following table gives the frequency distribution of the number of rooms for a sample of 100 houses.
-The percentage of houses that have three or fewer rooms is:

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Short Answer

Q 54Q 54

Use the following to answer questions 52-57:
The following table gives the frequency distribution of the number of rooms for a sample of 100 houses.
-The percentage of houses that contain five or more rooms is:

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Short Answer

Q 55Q 55

Use the following to answer questions 52-57:
The following table gives the frequency distribution of the number of rooms for a sample of 100 houses.
-The number of houses that contain four or five rooms is:

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Short Answer

Q 56Q 56

Use the following to answer questions 52-57:
The following table gives the frequency distribution of the number of rooms for a sample of 100 houses.
-The relative frequency of the fifth class,rounded to two decimal places,is:

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Short Answer

Q 57Q 57

Use the following to answer questions 52-57:
The following table gives the frequency distribution of the number of rooms for a sample of 100 houses.
-The number of classes for this frequency distribution table is:

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Short Answer

Q 58Q 58

We construct an ogive to graph a:
A)frequency distribution
B)cumulative frequency distribution
C)relative frequency distribution
D)stem-and-leaf display

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Multiple Choice

Q 59Q 59

The graph of a cumulative frequency distribution is a(n):
A)frequency histogram
B)stem-and-leaf display
C)line graph
D)ogive

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Multiple Choice

Q 60Q 60

Use the following to answer questions 60-66:
The following table gives the cumulative frequency distribution of annual incomes (in thousands of dollars)for a sample of 200 families selected from a city.
-The cumulative relative frequency of the fourth class,rounded to three decimal places,is:

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Short Answer

Q 61Q 61

Use the following to answer questions 60-66:
The following table gives the cumulative frequency distribution of annual incomes (in thousands of dollars)for a sample of 200 families selected from a city.
-The sample size is:

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Short Answer

Q 62Q 62

Use the following to answer questions 60-66:
The following table gives the cumulative frequency distribution of annual incomes (in thousands of dollars)for a sample of 200 families selected from a city.
-The cumulative percentage for the second class,rounded to one decimal place,is:

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Short Answer

Q 63Q 63

Use the following to answer questions 60-66:
The following table gives the cumulative frequency distribution of annual incomes (in thousands of dollars)for a sample of 200 families selected from a city.
-The percentage of families with an income of less than $55,000,rounded to one decimal place,is:

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Short Answer

Q 64Q 64

Use the following to answer questions 60-66:
The following table gives the cumulative frequency distribution of annual incomes (in thousands of dollars)for a sample of 200 families selected from a city.
-The percentage of families with an income of $70,000 or more,rounded to one decimal place,is:

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Short Answer

Q 65Q 65

Use the following to answer questions 60-66:
The following table gives the cumulative frequency distribution of annual incomes (in thousands of dollars)for a sample of 200 families selected from a city.
-The number of families with an income of $40,000 or less is:

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Short Answer

Q 66Q 66

Use the following to answer questions 60-66:
The following table gives the cumulative frequency distribution of annual incomes (in thousands of dollars)for a sample of 200 families selected from a city.
-The number of families with an income of $85,000 or more is:

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Short Answer

Q 67Q 67

Use the following to answer questions 67-72:
The following table gives the cumulative frequency distribution of the commuting time (in minutes)from home to work for a sample of 400 persons selected from a city.
-The sample size is:

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Short Answer

Q 68Q 68

Use the following to answer questions 67-72:
The following table gives the cumulative frequency distribution of the commuting time (in minutes)from home to work for a sample of 400 persons selected from a city.
-The percentage of persons who commute for less than 30 minutes,rounded to two decimal places,is:

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Short Answer

Q 69Q 69

Use the following to answer questions 67-72:
The following table gives the cumulative frequency distribution of the commuting time (in minutes)from home to work for a sample of 400 persons selected from a city.
-The cumulative relative frequency of the fourth class,rounded to four decimal places,is:

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Short Answer

Q 70Q 70

Use the following to answer questions 67-72:
The following table gives the cumulative frequency distribution of the commuting time (in minutes)from home to work for a sample of 400 persons selected from a city.
-The percentage of persons who commute for 40 or more minutes,rounded to two decimal places,is:

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Short Answer

Q 71Q 71

Use the following to answer questions 67-72:
The following table gives the cumulative frequency distribution of the commuting time (in minutes)from home to work for a sample of 400 persons selected from a city.
-The percentage of persons who commute for less than 50 minutes,rounded to two decimal places,is:

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Short Answer

Q 72Q 72

Use the following to answer questions 67-72:
The following table gives the cumulative frequency distribution of the commuting time (in minutes)from home to work for a sample of 400 persons selected from a city.
-The number of persons who commute for 20 or more minutes is:

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Short Answer

Q 73Q 73

Use the following to answer questions 67-72:
The following table gives the cumulative frequency distribution of the commuting time (in minutes)from home to work for a sample of 400 persons selected from a city.
-For the observation 4,the stem is:

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Short Answer

Q 74Q 74

Use the following to answer questions 67-72:
The following table gives the cumulative frequency distribution of the commuting time (in minutes)from home to work for a sample of 400 persons selected from a city.
-For the observation 34,the leaf is:

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Short Answer

Q 75Q 75

Use the following to answer questions 67-72:
The following table gives the cumulative frequency distribution of the commuting time (in minutes)from home to work for a sample of 400 persons selected from a city.
-You ask 27 people what kind of pet they own.Seven people have dogs,five have cats,three have birds,and the remainder have no pets.The relative frequency of dog owners,rounded to three decimal places,is:

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Short Answer

Q 76Q 76

Use the following to answer questions 67-72:
The following table gives the cumulative frequency distribution of the commuting time (in minutes)from home to work for a sample of 400 persons selected from a city.
-Fifteen programmers were asked what computer language was used in their first programming class.The raw data appears below:
The percentage of people,rounded to two decimal places,who did not answer "Fortran" is:

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Short Answer

Q 77Q 77

Use the following to answer questions 67-72:
The following table gives the cumulative frequency distribution of the commuting time (in minutes)from home to work for a sample of 400 persons selected from a city.
-In a game of four-handed Hearts,all 52 cards of a standard deck are dealt,so that each player starts each round with 13 cards in a hand.Suppose player A's hand has three clubs,six diamonds,two hearts,and two spades.What is the relative frequency of spades,rounded to two decimal places,dealt to player A?

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Short Answer

Q 78Q 78

Use the following to answer questions 78-81:
A highway patrolman records the following speeds (in mph)for 25 cars that pass through his radar within a five-minute interval.Here is the histogram of that data:
-What is the width of each class?

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Short Answer

Q 79Q 79

Use the following to answer questions 78-81:
A highway patrolman records the following speeds (in mph)for 25 cars that pass through his radar within a five-minute interval.Here is the histogram of that data:
-How many observations fall in the fourth interval?

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Short Answer

Q 80Q 80

Use the following to answer questions 78-81:
A highway patrolman records the following speeds (in mph)for 25 cars that pass through his radar within a five-minute interval.Here is the histogram of that data:
-The relative frequency of drivers whose speed is less than 55 mph,rounded to two decimal places,is?

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Short Answer

Q 81Q 81

Use the following to answer questions 78-81:
A highway patrolman records the following speeds (in mph)for 25 cars that pass through his radar within a five-minute interval.Here is the histogram of that data:
-The speed limit on this street is 60 mph.What percentage of drivers are traveling at or above the speed limit?

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Short Answer

Q 82Q 82

Use the following to answer questions 82-84:
Suppose you have the following stem-and-leaf display: Stem: Tens Leaf: Ones
-What is the value of smallest data point in this data set?

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Short Answer

Q 83Q 83

Use the following to answer questions 82-84:
Suppose you have the following stem-and-leaf display: Stem: Tens Leaf: Ones
-How many observations are in this data set?

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Short Answer

Q 84Q 84

Use the following to answer questions 82-84:
Suppose you have the following stem-and-leaf display: Stem: Tens Leaf: Ones
-What is the sum of the data values in the bottom two branches in this display?

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Short Answer

Q 85Q 85

Use the following to answer questions 85-88:
Here is a dot plot of the daily high temperature (in Fahrenheit)from a sample of 25 U.S.cities:
-Which high temperature has the highest frequency?

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Short Answer

Q 86Q 86

Use the following to answer questions 85-88:
Here is a dot plot of the daily high temperature (in Fahrenheit)from a sample of 25 U.S.cities:
-What is the relative frequency of high temperatures,rounded to two decimal places,that are 71 degrees or lower?

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Short Answer

Q 87Q 87

Use the following to answer questions 85-88:
Here is a dot plot of the daily high temperature (in Fahrenheit)from a sample of 25 U.S.cities:
-How many cities had a high temperature of 72?

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Short Answer

Q 88Q 88

Use the following to answer questions 85-88:
Here is a dot plot of the daily high temperature (in Fahrenheit)from a sample of 25 U.S.cities:
-What percentage of cities had a high temperature of more than 74 degrees?

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Short Answer

Q 89Q 89

In 2007/2008 basketball season,Steve Nash scored 485 field goals,179 3-point field goals,and 222 free-throw goals.Find the pie chart that better describes the data.
A)
B)
C)
D)

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Short Answer

Q 90Q 90

The following table shows the countries whose teams have won the UEFA Champions League.
a)Calculate the relative frequency of each country.Round your answers to three decimal places
b)Select the pie chart that better describes the data.
I II III

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Essay

Q 91Q 91

The number of touchdowns of a college football team is:
38 36 30 33 37 30 35 34 43 27 36 38 21 26 26 27 31 22 28 36
a)Complete the frequency distribution.
b)Select the bar graph that matches the data.
I II III

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Essay

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Short Answer

Q 93Q 93

The maximum number of goals scored by a national team in the last 14 FIFA's World Cups is shown below.Select the bar graph that matches with the data.
14 15 15 16 16 17 23
18 15 14 15 19 14 27
I II

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Short Answer