Deck 2: Exploring Data: Frequency Distributions and Graphs

Question 1

Simple frequency distributions have class intervals that cover two or more scores.

Answer 1

False

Question 2

Horizontal axis, X-axis, and abscissa are all names for the same line.

Answer 2

True

Question 3

A bar graph is used to present the frequencies of a quantitative variable.

Answer 3

False

Question 4

A bar graph is the proper graph for the frequency distribution of Satisfaction With Life Scale scores.

Question 5

Bell-shaped and rectangular distributions are symmetrical.

Question 6

A negatively skewed curve has a thin point directed to the right side of a graph.

Question 7

A line graph shows the relationship between two variables.

Question 8

Line graphs are used more extensively in psychology textbooks and journal articles than frequency polygons.

Question 9

Your text says that the primary use of graphs is to show results to others.

Question 10

Tally marks are not part of a formal presentation of a simple frequency distribution.

Question 11

Vertical axis, Y-axis, and abscissa are all names for the same line.

Question 12

A frequency polygon and a bar graph can be used for the same frequency distribution.

Question 13

A histogram is used to present the frequencies of a qualitative variable.

Question 14

The proper graph for the frequency distribution of college majors is a bar graph.

Question 15

A distribution with two humps is called a skewed distribution.

Question 16

A positively skewed curve has a thin point directed to the right side of a graph.

Question 17

A line graph and a frequency polygon can be used interchangeably.

Question 18

Line graphs are used more extensively in psychology textbooks and journal articles than bar graphs.

Question 19

Your text shows a template that gives the proportions for the X and Y axis that is "almost guaranteed to produce a pleasant-looking graph."

Question 20

Grouped frequency distributions have class intervals that cover two or more scores.

Question 21

Horizontal axis, X-axis, and ordinate are all names for the same line.

Question 22

A histogram and a bar graph can be used for the same frequency distribution.

Question 23

A bar graph is used to present the frequencies of a qualitative variable.

Question 24

To show the relationship between serial position of words on a list and errors, the proper graph is a line graph.

Question 25

A positively skewed curve has a thin point directed to the left side of a graph.

Question 26

Bar graphs are used more extensively in psychology textbooks and journal articles than line graphs.

Question 27

Graphs are used by scientists in the early stages of a project, even before data are collected

Question 28

Data Set 2-1
A student was interested in the structure of the families in the U.S. He sampled 29 of his 330 classmates and got the following answers to the question, "How many children are there in your family?"
3 , 1 , 2 , 2 , 4 , 2 , 1 , 2 , 2 , 1 , 3 , 2 , 3 , 3 , 4 , 2 , 2 , 1 , 3 , 5 , 1 , 1 , 3 , 5 , 2 , 4 , 7 , 1 , 2

-Referring to Data Set 2-1, the proper frequency distribution is:

A) $$\begin{array} { c r } X & f \\\hline 7 & 1 \\5 & 2 \\4 & 3 \\3 & 5 \\2 & 10 \\1 & 8\end{array}$$
B) $$\begin{array} { c r } X & f \\\hline 7 & 1 \\5 & 2 \\4 & 3 \\3 & 6 \\2 & 10 \\1 & 7\end{array}$$
C) $$\begin{array} { c r } \text { Class Interval } & f \\\hline 7 - 8 & 1 \\5 - 6 & 2 \\3 - 4 & 8 \\1 - 2 & 18\end{array}$$
D) None of the other alternatives are correct.

Question 29

Data Set 2-1
A student was interested in the structure of the families in the U.S. He sampled 29 of his 330 classmates and got the following answers to the question, "How many children are there in your family?"
3 , 1 , 2 , 2 , 4 , 2 , 1 , 2 , 2 , 1 , 3 , 2 , 3 , 3 , 4 , 2 , 2 , 1 , 3 , 5 , 1 , 1 , 3 , 5 , 2 , 4 , 7 , 1 , 2

-Referring to Data Set 2-1, the distribution of these scores is

A) positively skewed
B) negatively skewed
C) symmetrical
D) not skewed at all.

Question 30

-The distribution in Data Set 2-2 is

A) positively skewed
B) negatively skewed
C) symmetrical
D) not skewed at all.

Question 31

-Referring to Data Set 2-2, the number of scores in the interval 59 - 66 is

A) 6
B) 5
C) 11
D) unknown, there is no such interval in Data Set 2-2.

Question 32

Data Set 2-3 The graph in Data Set 2-3 is based on registration figures by the American Kennel Club.


-The proper name for the graph in Data Set 2-3 is

A) frequency polygon
B) histogram
C) bar graph
D) line graph.

Question 33

Data Set 2-3 The graph in Data Set 2-3 is based on registration figures by the American Kennel Club.


-Data Set 2-3

A) is positively skewed
B) is negatively skewed
C) is not skewed
D) is not appropriate for a determination of skewness.

Question 34

The horizontal axis of a graph of a frequency distribution is called

A) a line graph
B) the ordinate
C) the abscissa
D) a histogram.

Question 35

A formal grouped frequency distribution is characterized by

A) class intervals and tally marks
B) class intervals and no tally marks
C) scores and tally marks
D) scores and no tally marks.

Question 36

A rough-draft grouped frequency distribution is characterized by

A) class intervals and tally marks
B) class intervals and no tally marks
C) scores and tally marks
D) scores and no tally marks.

Question 37

Which of the following intervals has a midpoint of 7?

A) 5-7
B) 3-7
C) 5-9
D) none of the other alternatives are correct.

Question 38

Which of the following class intervals has a midpoint of 45?

A) 40-45
B) 45-50
C) 43-47
D) none of the other alternatives are correct.

Question 39

Grouped frequency distributions and simple frequency distributions differ in

A) the type of data displayed
B) the range of scores covered by the distribution
C) the conclusions that can be drawn about skewness
D) all of the other alternatives are correct.

Question 40

Suppose you had frequency counts of people who were listening to one of four radio stations. The appropriate graph for such data would be a

A) frequency polygon
B) histogram
C) bar graph
D) line graph.

Question 41

Suppose you had frequency counts of sparrows, starlings, swans, swallows, sandpipers, and sapsuckers. The appropriate graph for such data would be a

A) bar graph
B) histogram
C) frequency polygon
D) line graph.

Question 42

A line graph is used

A) in place of a frequency polygon
B) in place of a histogram
C) in place of a bar graph
D) to present the relationship between two variables.

Question 43

A frequency polygon and a histogram are alike in that they both

A) are used to graph nominal scale data
B) are examples of a line graph
C) are used to graph empirical frequency distributions
D) all of the other alternatives are correct

Question 44

To graph the relationship between years and the number of automobile accidents, use

A) frequency polygon
B) histogram
C) bar graph
D) line graph.

Question 45

To graph the relationship between age and auditory sensitivity, use a

A) frequency polygon
B) histogram
C) bar graph
D) line graph.

Question 46

The graph that is used to present data on two variables rather than one is the

A) frequency polygon
B) histogram
C) bar graph
D) line graph.

Question 47

The best way to determine if a graph is a histogram or a bar graph is to look at

A) the height of the bars
B) whether the bars are wide or narrow
C) the kind of variable on the Y axis
D) the kind of variable on the X axis.

Question 48

Which alternative has elements that are congruent (all belong together)?

A) X axis/ ordinate/ to the right is positive
B) Y axis/ abscissa/ up is positive
C) Y axis/ abscissa/ right is positive
D) X axis/ abscissa/ to the right is positive.

Question 49

The graphic in the text showing the majors of college graduates was a

A) histogram
B) frequency polygon
C) bar graph
D) line graph.

Question 50

Assume you collect data from psychology majors who indicate their favorite class in psychology. Students choose from five classes. What kind of graph should you use to display the data?

A) histogram
B) bar graph
C) line graph
D) not enough information to answer this question.

Question 51

A distribution shaped like a box is a_______________distribution; one that has two peaks is a ____________ distribution.

A) bell-shaped rectangular
B) rectangular bimodal
C) bimodal bell-shaped
D) bimodal bell-shaped.

Question 52

The distribution not described in the text was the

A) rectangular curve
B) triangular curve
C) bimodal curve
D) bell-shaped curve.

Question 53

A distribution with two separated peaks is a__________distribution; one that is normal is a ___________distribution.

A) bimodal rectangular
B) rectangular bimodal
C) bimodal bell-shaped
D) rectangular bell-shaped.

Question 54

The normal distribution is a special case of a

A) skewed distribution
B) bell-shaped distribution
C) rectangular distribution
D) bimodal distribution.

Question 55

The serial position effect was displayed in the text with mean errors on the ordinate and serial position on the abscissa. This graphic is an example of a

A) frequency polygon
B) histogram
C) bar graph
D) line graph.

Question 56

The serial position effect shows that when material is learned in order, the most difficult part

A) is near the beginning
B) is near the middle
C) is near the end
D) depends on whether the material is numerical, poetry or prose.

Question 57

Suppose a frequency distribution with a range of 0 to 100 was severely negatively skewed. The greatest frequency of scores would be clustered near

A) 0
B) 50
C) 100
D) unknown not enough information is given.

Question 58

If a set of scores ranged from 50 to 99 and the distribution was negatively skewed, you would expect to find the fewest scores in the interval

A) 50 to 59
B) 60 to 69
C) 80 to 89
D) 90 to 99.

Question 59

The frequency distribution scores ranged from 0 to 100. Low scores were infrequent, there were a moderate number around 50, and near 100 scores were quite frequent. The distribution is

A) positively skewed
B) negatively skewed
C) symmetrical
D) not enough information is given.

Question 60

Skewness refers to

A) the shape of the curve
B) the number of items in the curve
C) the standard error in the curve
D) none of the other alternatives are correct.

Question 61

Suppose a frequency distribution with a range of 0 to 100 was severely positively skewed. The greatest frequency of scores would be clustered near

A) 20
B) 50
C) 80
D) unknown not enough information is given

Question 62

Suppose a frequency distribution with a range of 0 to 100 was positively skewed. The greatest frequency of scores would be expected around

A) 25
B) 50
C) 75
D) any of the other alternatives are possible for a positively skewed distribution.

Question 63

When a curve has a shape with two peaks, it is called

A) normal
B) skewed
C) rectangular
D) bimodal.

Question 64

Graphs are popular because they

A) allow comparisons to other studies when designing a project
B) help guide future research
C) serve as a clear description of previous research
D) all of the other alternatives are correct.

Question 65

The development of graphics as we know them today

A) ended about 1900
B) ended about 1950
C) ended about 1975
D) continue, new designs are still being created.

Question 66

Describe what the following graphs are used for.
a. line graph
b. frequency polygon
c. histogram
d. bar graph

Question 67

Describe the distinguishing characteristics of the histogram, line graph, and frequency polygon.

Question 68

Under what conditions would you choose to use a histogram rather than a bar graph?

Question 69

Describe each figure below as a frequency polygon, histogram, or line graph.

-

A) frequency polygon
B) histogram
C) line graph

Question 70

Describe each figure below as a frequency polygon, histogram, or line graph.

-

A) frequency polygon
B) histogram
C) line graph

Question 71

Describe each figure below as a frequency polygon, histogram, or line graph.

-

A) frequency polygon
B) histogram
C) line graph

Question 72

Describe each figure below as a frequency polygon, histogram, or line graph.

-

A) frequency polygon
B) histogram
C) line graph

Question 73

Describe each figure below as a frequency polygon, histogram, or line graph.

-

A) frequency polygon
B) histogram
C) line graph

Question 74

Describe each figure below as a frequency polygon, histogram, or line graph.

-

A) frequency polygon
B) histogram
C) line graph

Question 75

Identify each graph below as correct or incorrect. Describe what is wrong with each incorrect one.

-

A) correct
B) incorrect

Question 76

Identify each graph below as correct or incorrect. Describe what is wrong with each incorrect one.

-

A) correct
B) incorrect

Question 77

Identify each graph below as correct or incorrect. Describe what is wrong with each incorrect one.

-

A) correct
B) incorrect

Question 78

Identify each graph below as correct or incorrect. Describe what is wrong with each incorrect one.

-

A) correct
B) incorrect

Question 79

Describe each graph below as correct or incorrect. Tell what is wrong with the incorrect one(s).

-

A) correct
B) incorrect

Question 80

Describe each graph below as correct or incorrect. Tell what is wrong with the incorrect one(s).

-

A) correct
B) incorrect