Deck 2: Graphical Summaries of Data

Question 1

The following table presents the purchase totals (in dollars) of a random sample of gasoline purchases at a convenience store.
Construct a frequency distribution using a class width of 10, and using 0 as the lower class limit for the first
Class.

A)
B)
C)
D)

Answer 1

Question 2

The following frequency distribution presents the weights in pounds (lb) of a sample of visitors to a health clinic. What is the class width?

A) 3
B) 5
C) 32
D) 4

Answer 2

4

Question 3

Classify the histogram as skewed to the left, skewed to the right, or approximately symmetric.

A) approximately symmetric
B) skewed to the left
C) skewed to the right

Answer 3

approximately symmetric

Question 4

The following table presents the purchase totals (in dollars) of a random sample of gasoline purchases at a convenience store.
Construct a frequency histogram using a class width of 10, and using 0 as the lower class limit for the first
Class.

A)
B)
C)
D)

Question 5

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day. What is the relative frequency of the Motorcyle category?

A) 0.069
B) 15
C) 0.17
D) 15%

Question 6

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Construct a frequency bar graph for the data.

A)
B)
C)
D)

Question 7

The following frequency distribution presents the weights in pounds (lb) of a sample of visitors to a health clinic. Construct a frequency histogram.

A)https://d2lvgg3v3hfg70.cloudfront.net/TB1209/.
B)
C)
D)https://d2lvgg3v3hfg70.cloudfront.net/TB34225555/.

Question 8

One hundred students are shown an eight-digit number on a piece of cardboard for three seconds and are asked to then recite the number from memory. The process is repeated until the student accurately recites the
Entire number from memory. The following histogram presents the number of trials it took each student to
Memorize the number. How many students memorized the number in three trials or less?

A) 19
B) 24
C) 81
D) 2

Question 9

The following bar graph presents the average amount a certain family spent, in dollars, on various food categories in a recent year.
On which food category was the most money spent?

A) Meat poultry, fish, eggs
B) Fruits and vegetables
C) Dairy products
D) Cereals and baked goods

Question 10

The following pie chart presents the percentages of fish caught in each of four ratings categories. Match this pie chart with its corresponding bar graph.

A)
B)
C)
D)

Question 11

The following table presents the purchase totals (in dollars) of a random sample of gasoline purchases at a convenience store.
Construct a relative frequency distribution using a class width of 10, and using 0 as the lower class limit for the
First class.

A)
B)
C)
D)

Question 12

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Construct a relative frequency distribution for the data.

A)
B)
C)
D)

Question 13

The following frequency distribution presents the weights in pounds (lb) of a sample of visitors to a health clinic. Construct a relative frequency histogram.

A)
B)
C)
D)

Question 14

Classify the histogram as unimodal or bimodal.

A) unimodal
B) bimodal

Question 15

The following pie chart presents the percentages of fish caught in each of four ratings categories. Match this pie chart with its corresponding Pareto chart.

A)
B)
C)
D)

Question 16

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Construct a pie chart for the data.

A)
B)
C)
D)

Question 17

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Construct a relative frequency Pareto chart for the data.

A)
B)
C)
D)

Question 18

The following table presents the purchase totals (in dollars) of a random sample of gasoline purchases at a convenience store.
Construct a relative frequency histogram using a class width of 10, and using 0 as the lower class limit for the
First class.

A)
B)
C)
D)

Question 19

Thirty households were surveyed for the number of televisions in each home. Following are the results. Construct a frequency histogram.

A)

B)
C)
D)

Question 20

Following is a pie chart that presents the percentages spent by a certain household on its five largest annual expenditures. What percentage of the money spent was spent on food, housing, and utilities?

A) 52.6%
B) 65%
C) 61.9%
D) 50%

Question 21

The amounts 5 and 2 are compared. Which of the following graphical displays are the least misleading?

A)
B)
C)
D)

Question 22

A sample of 200 high school students were asked how many hours per week they spend watching television. The following frequency distribution presents the results. Construct a relative frequency ogive for the frequency distribution.

A)
B)
C)
D)

Question 23

Following are the numbers of Dean's List students in a random sample of 20 university courses. Construct a dotplot for these data.

A)
B)
C)
D)

Question 24

Construct a stem-and-leaf plot for the following data, in which the leaf represents the tenths place.

A)
B)
C)
D)

Question 25

Gravity on Mars: The gravity on Earth is around 2/3 's stronger than the gravity on Mars. Which of the following graphics compare the gravity differences more accurately, and why?

A)
B)

Question 26

Thirty households were surveyed for the number of televisions in each home. Following are the results. Construct a relative frequency histogram.

A)
B)
C)
D)

Question 27

Construct a dotplot for the following data.

A)
B)
C)
D)

Question 28

A sample of 200 high school students were asked how many hours per week they spend watching television. The following frequency distribution presents the results. Construct a frequency ogive for the frequency distribution.

A)
B)
C)
D)

Question 29

The following time-series plot presents the population growth (in percent) of a suburb of Atlanta, Georgia for each of the years 1990 through 2009. Estimate the rate of growth in 1,999.

A) 4.9%
B) 4.6%
C) 5.5%
D) 5.2%

Question 30

Helium prices: The cost of grade A Helium gas in 2003 was around $60/Mcf. Five years later it reached around $115/Mcf. Which of the following graphs accurately represents the magnitude of the
Increase? Which one exaggerates it?

A)
B)

Question 31

A sample of 200 high school students were asked how many hours per week they spend watching television. The following frequency distribution presents the results. Construct a relative frequency polygon for the frequency distribution.

A)
B)
C)
D)

Question 32

A sample of 200 high school students were asked how many hours per week they spend watching television. The following frequency distribution presents the results. Construct a frequency polygon for the frequency distribution.

A)
B)https://d2lvgg3v3hfg70.cloudfront.net/TB1209/.
C)
D)https://d2lvgg3v3hfg70.cloudfront.net/TB34225555/.

Question 33

Toy sales: The following graph presents the percent market share for the US Toy Retail Sales between brick and mortar toy sales and online sales for the years 2011-2015. Does the graph present an accurate picture of the differences in revenue from these two sources? Or is it misleading?
Explain.

Question 34

Chocolate or vanilla: The following bar graph shows the number of chocolate and vanilla ice cream cones sold during the annual county fair for the years 2013 - 2017. Does the graph present an accurate picture of the difference between chocolate and vanilla cones sold? Or is it misleading?
Explain.

Question 35

Construct a dotplot for the following data.

A)
B)
C)
D)

Question 36

The following table presents the rate of population growth of a suburb of Atlanta, Georgia for each of the years 1990 through 2009. Construct a time-series plot of the growth rate.

A)
B)
C)
D)

Question 37

The amounts 3 and 4 are compared. Which of the following graphical displays are the least misleading?

A)
B)
C)
D)

Question 38

The amounts 3 and 2 are compared. Which of the following graphical displays are the least misleading?

A)
B)
C)
D)

Question 39

Construct a stem-and-leaf plot for the following data.

A)
B)
C)
D)

Question 40

The following time-series plot presents the population growth (in percent) of a suburb of Atlanta, Georgia for each of the years 1990 through 2009. Estimate the amount by which the rate of growth
Changed from 1,995 to 2,004.

A) about -1.3 percentage points
B) about -2.9 percentage points
C) about -1.0 percentage points
D) about -1.9 percentage points