Deck 12: Statistics

Question 1

Construct a stem and leaf display for given data.
The numbers below represent the commute times (in minutes)for a group of college students.

Answer 1

C

Question 2

Construct a stem and leaf display for given data.
The ages of the instructors at a local college are given below.

Answer 2

B

Question 3

Construct a frequency polygon.

Answer 3

B

Question 4

On a math test, the scores of 24 students were

Question 5

Construct a frequency polygon.

Question 6

Construct a frequency polygon.

Question 7

Construct the specified histogram.
In a survey, 20 voters were asked their age. The results are summarized in the frequency
table below. Construct a histogram .

Question 8

Construct a stem and leaf display for given data.
Mr. Johnson wants to display his employees' ages in a graph. Below are their ages.

Question 9

Construct a stem and leaf display for given data.
Here are the final scores for the last 16 games played by the local basketball team.

Question 10

Construct a frequency polygon.

Question 11

A car insurance company conducted a survey to find out how many car accidents people had been involved in. They selected a sample of 32 adults between the ages of 30 and 70 and asked each
Person how many accidents they had been involved in in the past ten years. The following data
Were obtained.

Question 12

Construct the specified histogram.
The ages of the voters at a poll during a 20-minute period are listed below. Use five classes with a uniform width of 10 years, where the lower limit of the first class is 20 years.

Question 13

Construct a frequency polygon.

Question 14

Construct a frequency polygon.

Question 15

Construct a frequency polygon.

Question 16

A medical research team studied the ages of patients who had strokes caused by stress. The ages of 34 patients who suffered stress strokes were as follows.

Question 17

Kevin asked some of his friends how many hours they had worked during the previous week at their after-school jobs. The results are shown below.

Question 18

Construct a stem and leaf display for given data.
The instructor of an introductory mathematics class has recorded the number of students attending his class in the last 4 weeks. Below are his recordings.

Question 19

Construct a frequency polygon.

Question 20

Construct the specified histogram.
The frequency table below shows the number of days off in a given year for 30 police
detectives.

Question 21

Answer the question.
The bar graph below shows the number of students by major in the College of Arts and Sciences.

Question 22

Use this graph to answer the question.
What was the total increase in sales from 2009 to 2010?

A)$182,000
B)$12,000
C)$1,342,000
D)$22,000

Question 23

Use this graph to answer the question.
What were the total sales for the first 6 months of 2010?

A)$366,000
B)$286,000
C)$64,000
D)$302,000

Question 24

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period.
Answer the question.
Which year had the greatest number of male athletes?

A)1988
B)1989
C)1986
D)1987

Question 25

Use this graph to answer the question.
Which month in 2010 had the highest sales?

A)Month 6
B)Month 3
C)Month 12
D)Month 5

Question 26

Answer the question.
The bar graph below shows the number of students by major in the College of Arts and Sciences.

Question 27

Construct a stem and leaf display for given data.
The numbers of attendees at an annual convention, for each of the last 20 years, are given below. Use a double-stem display.

Question 28

Use this graph to answer the question.
What were the total sales for the first 6 months of 2009?

A)$240,000
B)$366,000
C)$290,000
D)$46,000

Question 29

Answer the question.
The bar graph below shows the number of students by major in the College of Arts and Sciences.

Question 30

Use this graph to answer the question.
What month in 2009 had the highest sales?

A)Month 3
B)Month 5
C)Month 2
D)Month 12

Question 31

Answer the question.
The bar graph below shows the number of students by major in the College of Arts and Sciences. Did twice as many students major in Math as in Science?

A)Yes
B)No

Question 32

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period.
Answer the question.
Which year had the smallest number of male athletes?

A)1989
B)1986
C)1988
D)1987

Question 33

Use this graph to answer the question.
What were the total sales for 2010?

A)$60,000
B)$578,000
C)$764,000
D)$72,000

Question 34

Answer the question.
The bar graph below shows the number of students by major in the College of Arts and Sciences. Did twice as many students major in History as in Science?

A)No
B)Yes

Question 35

Use this graph to answer the question.
Which month in 2009 had the lowest sales?

A)Month 2
B)Month 8
C)Month 3
D)Month 6

Question 36

Use this graph to answer the question.
What month in 2010 had the lowest sales?

A)Month 3
B)Month 5
C)Month 2
D)Month 12

Question 37

Answer the question.
The bar graph below shows the number of students by major in the College of Arts and Sciences.

Question 38

Use this graph to answer the question.
What was the total increase in sales for the first 6 months from 2009 to 2010?

A)$18,000
B)$652,000
C)$12,000
D)$76,000

Question 39

Construct a stem and leaf display for given data.
A professional basketball team plays 80 games a season. Below are the highest scores reached by one particular team. Use a double-stem display.

Question 40

Use this graph to answer the question.
What were the total sales for 2009?

A)$48,000
B)$582,000
C)$764,000
D)$50,000

Question 41

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period.
Answer the question.
How many students were involved in athletics in 1989?

A)775
B)825
C)800
D)750

Question 42

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period.
Answer the question.
Which year had the same number of male and female athletes?

A)1988
B)1986
C)1987
D)1989

Question 43

In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer radio in a school of 600 students?

A)About 30 students
B)About 216 students
C)About 108 students
D)About 5 students

Question 44

In a school survey, students showed these preferences for instructional materials. Answer the question.
How many degrees are in the central angle for the "Computer" sector?

A)64.8°
B)129.6°
C)36°
D)10°

Question 45

In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer lectures in a school of 900 students?

A)About 324 students
B)About 162 students
C)About 180 students
D)About 18 students

Question 46

Use the information to complete a circle graph. Note that the circle is divided into 100 equal sections.
Intended major of high school students:

Question 47

In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer computers in a school of 650 students?

A)About 234 students
B)About 130 students
C)About 117 students
D)About 36 students

Question 48

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period.
Answer the question.
Which year had the greatest number of female athletes?

A)1987
B)1988
C)1986
D)1989

Question 49

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period.
Answer the question.
What percentage of all students involved in athletics in 1989 was male? (Round to the nearest percent.)

A)41%
B)35%
C)59%
D)68%

Question 50

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period.
Answer the question.
Which year had the smallest number of female athletes?

A)1988
B)1987
C)1986
D)1989

Question 51

Use the information to complete a circle graph. Note that the circle is divided into 100 equal sections.
Main form of exercise for employees of one company:

Question 52

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period.
Answer the question.
Has the total number of students involved in athletics increased each year?

A)Yes.
B)No.

Question 53

In a school survey, students showed these preferences for instructional materials. Answer the question.
How many degrees are in the central angle for the "radio" sector?

A)5°
B)9°
C)18°
D)180°

Question 54

In a school survey, students showed these preferences for instructional materials. Answer the question.
How many degrees are in the central angle for the "Lecture" sector?

A)64.8°
B)20°
C)32.4°
D)18°

Question 55

In a school survey, students showed these preferences for instructional materials. Answer the question.
How many degrees are in the central angle for the "TV" sector?

A)21.6°
B)43.2°
C)30°
D)12°

Question 56

In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer written materials in a school of 400 students?

A)About 144 students
B)About 72 students
C)About 9 students
D)About 36 students

Question 57

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period.
Answer the question.
What percentage of all students involved in athletics in 1986 was female? (Round to the nearest percent.)

A)57%
B)43%
C)75%
D)14%

Question 58

In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer films in a school of 1000 students?

A)About 200 students
B)About 180 students
C)About 20 students
D)About 120 students

Question 59

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period.
Answer the question.
What is the only year in which the number of female athletes declined from its previous value?

A)1986
B)1987
C)1989
D)1988

Question 60

In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer TV in a school of 650 students?

A)About 130 students
B)About 78 students
C)About 12 students
D)About 117 students

Question 61

Use the graph to answer the question.
Mike decides to buy shares of companies X and Y, which were initially selling for the same price. The changes in each stock's value over 90 days are shown in the graph above. When did the two
Stocks have the same value, other than when he bought them?

A)day 80
B)day 50
C)day 85
D)day 90

Question 62

Use the graph to answer the question.
Mike decides to buy shares of companies X and Y, which were initially selling for the same price. The changes in each stock's value over 90 days are shown in the graph above. Using the trend of
The graph at 90 days, do you expect the value of Stock X to increase or decrease over the upcoming
Days?

A)Decrease
B)Increase

Question 63

Find the indicated probability.
A relative frequency distribution is given below for the size of families in one U.S. city. A family is selected at random. Find the probability that the size of the family is between 2 and 5 inclusive. Round your answer to three decimal places.

A)0.951
B)0.5
C)0.853
D)0.451

Question 64

Find the indicated probability.
In a survey, 50 students were asked to name their favorite color. The table below shows the results.

Question 65

Find the indicated probability.
The age distribution of students at a community college is given below. A student from the community college is selected at random. Find the probability that the student is between 26 and 35 inclusive. Round your answer to three decimal places.

A)0.188
B)0.052
C)266
D)0.241

Question 66

Use the information to complete a circle graph. Note that the circle is divided into 100 equal sections.
Main form of exercise for employees of one company:

Question 67

Find the indicated probability.
The table shows the percentage of college students who prefer a given pizza topping. What is the probability that a randomly selected junior prefers meat toppings? Round to the nearest hundredth.

A)0.21
B)0.06
C)0.35
D)0.17

Question 68

Use the graph to answer the question.
Mike decides to buy shares of companies A, B, and C, which were initially selling for the same price. The changes in each stock's value are shown in the graph above. Knowing what he knows
Now, after how many days should he have sold in his stock in company A?

A)30
B)50
C)60
D)80

Question 69

Find the indicated probability.
A relative frequency distribution is given below for the size of families in one U.S. city. A family is selected at random. Find the probability that the size of the family is less than 5. Round your answer to three decimal places.

A)0.528
B)0.436
C)0.852
D)0.092

Question 70

Find the indicated probability.
The table shows the percentage of college students who prefer a given pizza topping. What is the probability that a randomly selected student prefers cheese toppings? Round to the nearest hundredth.

A)0.31
B)0.33
C)0.34
D)0.10

Question 71

Use the graph to answer the question.
Mike decides to buy shares of companies A, B, and C, which were initially selling for the same price. The changes in each stock's value are shown in the graph above. After how many days did
Stock C's value go below $20?

A)30
B)40
C)60
D)80

Question 72

Use the graph to answer the question.
Mike decides to buy shares of companies X and Y, which were initially selling for the same price. The changes in each stock's value over 90 days are shown in the graph above. At its peak, about
How much more was stock Y worth than X?

A)$65
B)$90
C)$45
D)$75

Question 73

Solve the problem.
Sixteen workers were surveyed about how long it takes them to travel to work each day. The data below are given in minutes. Represent the data in a double-stem display.

Question 74

Use the information to complete a circle graph. Note that the circle is divided into 100 equal sections.
Main form of exercise for employees of one company:

Question 75

Find the indicated probability.
The age distribution of students at a community college is given below. A student from the community college is selected at random. Find the probability that the student is at least 31. Round your answer to three decimal places.

A)82
B)0.926
C)0.074
D)0.049

Question 76

Use the graph to answer the question.
Mike decides to buy shares of companies A, B, and C, which were initially selling for the same price. The changes in each stock's value are shown in the graph above. At its peak, stock A was
Valued at approximately how much more than either B or C?

A)$15
B)$30
C)$10
D)$35

Question 77

Use the graph to answer the question.
Mike decides to buy shares of companies X and Y, which were initially selling for the same price. The changes in each stock's value over 90 days are shown in the graph above. At day 90, Mike
Decides to buy more of one of the stocks. Which stock should he choose?

A)X
B)Y

Question 78

Make a bar graph to represent the data.
The following table shows the number of female infants born at Hospital X on New Year's
Day (Jan. 1). Create a vertical bar graph.

Question 79

Use the graph to answer the question.
Mike decides to buy shares of companies A, B, and C, which were initially selling for the same price. The changes in each stock's value are shown in the graph above. Could Mike have ever made
A profit off of stock C if he had sold at the right time?

A)Yes
B)No

Question 80

Use the information to complete a circle graph. Note that the circle is divided into 100 equal sections.
Main form of exercise for employees of one company: