Deck 2: Frequency Tables

Question 1

Which of the following is an example of individual data?

A) a sample of high school students
B) the number of families in a city
C) the number of statistics courses at your university
D) a sample of businesses

Answer 1

a sample of high school students

Question 2

Which of the following is an example of ecological data?

A) a sample of high school students
B) the number of families in a city
C) a survey of your classmates
D) a sample of construction workers

Answer 2

the number of families in a city

Question 3

Suppose there are 40 Republicans and 35 Democrats in a room. What is the ratio of Republicans to Democrats?

A) 0.88
B) 1.14
C) 1.76
D) 2.28

Answer 3

1.14

Question 4

Suppose there are 40 Republicans and 35 Democrats in a room. What is the probability of randomly selecting a Democrat from this room?

A) .88
B) 1.14
C) .47
D) .53

Question 5

Drawing one card at random from a standard deck of 52 cards, what is the probability of drawing an ace (there are 4 aces in a deck)?

A) .08
B) .15
C) 1
D) 13

Question 6

Suppose the proportion of males attending your college is .487. What percent of students are male?

A) .487
B) .513
C) 48.7
D) 51.3

Question 7

Suppose the proportion of males attending your college is .487. What percent of students are female?

A) .487
B) .513
C) 48.7
D) 51.3

Question 8

In the 2006 GSS, 2,966 individuals reported their belief in the existence of God. Sixty- six respondents said they did not believe in God. What proportion did not believe?

A) .02
B) .2
C) 2
D) 2966

Question 9

Use the following table to answer questions:


-How many individuals reported being "Not Too Happy" with their marriage?

A) 2.6
B) 37
C) 512
D) 861

Question 10

Use the following table to answer questions:


-Which of the following is a value label?

A) very happy
B) frequency
C) percent
D) valid percent

Question 11

Use the following table to answer questions:


-What percentage of respondents reported being "Pretty Happy"?

A) 2.6
B) 36.3
C) 61.1
D) 97.4

Question 12

Use the following table to answer questions:


-What percentage of respondents reported feeling "Pretty Happy" or better?

A) 2.6
B) 36.3
C) 61.1
D) 97.4

Question 13

Use the following table to answer questions:


-How many respondents reported feeling "Pretty Happy" or better with their marriage?

A) 61.1
B) 512
C) 861
D) 1373

Question 14

Use the following table to answer questions:


-What is the value of N?

A) 861
B) 1373
C) 1410
D) 100%

Question 15

Use the following table to answer questions


-What is the total number of missing cases?

A) 1993
B) 2507
C) 2517
D) 4510

Question 16

Use the following table to answer questions


-What is the total number of valid cases?

A) 719
B) 1993
C) 2517
D) 4510

Question 17

Use the following table to answer questions


-What proportion of respondents are afraid to walk alone at night?

A) .282
B) .361
C) .639
D) 15.9

Question 18

Use the following table to answer questions


-What percent of respondents are NOT afraid to walk alone at night?

A) .639
B) 36.1
C) 63.9
D) 1274

Question 19

Use the following table to answer questions


-What percent of cases are not valid (missing)?

A) 36.1
B) 55.8
C) 63.9
D) 100

Question 20

Use the following table to answer questions


-How many respondents are afraid to walk alone at night?

A) 719
B) 1274
C) 1993
D) 2517

Question 21

Use the following table to answer questions


-How many respondents are NOT afraid to walk alone at night?

A) 719
B) 1274
C) 1993
D) 2517

Question 22

If we want to know the ratio of Democrats to Republicans, we put the frequency of Democrats in the denominator.

Question 23

Proportions range from 0 to 100.

Question 24

Percent columns are based on the total number of cases in the data while valid percent columns are based on only the cases that provided data for the variable.

Question 25

It is common practice to include missing cases in analyses.

Question 26

A business has 24 male and 16 female employees. The ratio of females to males is 1.5.

Question 27

If a business has 24 male and 16 female employees, 40% of the employees are female.

Question 28

Explain why proportions and percentages are important.

Question 29

Construct a frequency table using the following ages: 30, 30, 30, 33, 33, 34, 37, 37, 37, 37, 37, 40, 40, 45, 45, 45, 45, 45

Question 30

Explain the difference between percent and valid percent. Why is this difference important?

Question 31

Use the following frequencies to construct a table including the percent and valid percent.
DOES R OWN OR RENT HOME?

Question 32

Fill in the empty cells in the following table: