3/28/25 Keystone Review

The points scored by a football team are shown in the stem-and-leaf plot. What was the median number of points scored by the football team?

• 24

• 27

• 28

• 32

Brent works at a tire store. He recorded the number of tires sold each day for two weeks in the stem-and-leaf plot.

What is the median of the number of tires sold each day?

• 100

• 117

• 121

• 124

Vaughn surveyed 9 classmates. He asked each classmate for the number of days in the previous week that he or she had eaten fruit and the number of days that he or she had exercised. The scatter plot below shows the results of his survey.

What is the median number of days that the 9 classmates exercised last week?

• 2

• 3

• 4

• 5

There are 8 members in a running group. Last week, the group ran a mean distance of 33 miles and a median distance of 32 miles. The distances, in miles, that five of the members ran last week are shown below.

25  44  23  32  26

Which list could show the distances, in miles, that the other three members ran last week?

• 32  37  45

• 32  45  48

• 34  34  38

• 30  36  48

The cast of a play put on 12 performances. They sold more tickets for each performance than they sold for the performance immediately before it. The box-and-whisker plot below shows some information about the number of tickets sold for each performance.

For their first 3 performances, the cast sold 112, 114, and 116 tickets. How many tickets did they sell for their fourth performance?

• 118

• 120

• 124

• 130

Copies of a particular book were ordered by 8 bookstores last month. The scatter plot below shows the number of hardcover copies and the number of softcover copies that were ordered by each of the 8 bookstores last month.

What is the mean number of copies of the book ordered by each bookstore?

• 2.875

• 6.5

• 9

• 9.375

Lara asked 20 people how many coins each person had in his or her pockets. She used this data to calculate the measures of central tendency shown below.

• mean: 8.4
• median: 3.5

Which statement about the people Lara surveyed is most likely true?

• Nobody had more than 12 coins in his or her pockets.

• Exactly 10 people had more than 8 coins in their pockets.

• The person who had the most coins in his or her pockets had at least 14 coins.

• The same number of people had exactly 3 coins in their pockets as had exactly 4 coins in their pockets.

Joan delivers small loads of firewood and large loads of firewood to a campground. The scatter plot below shows the number of small loads of firewood and the number of large loads of firewood she delivered on each of the last ten days.

On how many of the last ten days did Joan deliver more than twice as many large loads of firewood as small loads of firewood?

• 1

• 2

• 4

• 5

Derek did yard work for 12 weeks last summer to earn extra money. He earned $12 per hour. He worked a different number of hours each week. He recorded the number of hours he
worked each week and used the data to make the box-and-whisker plot shown below.

In how many of the 12 weeks last summer did Derek earn more than $192?

• 0

• 3

• 6

• 9

The box-and-whisker plot below represents the prices of all the cars for sale at a dealership.

Based on the box-and-whisker plot, which statement about the prices of the cars is most likely true?

• One-half of the cars are priced at $12,000.

• All of the cars are priced no lower than $10,000.

• One-half of the cars are priced between $14,000 and $25,000.

• One-fourth of the cars are priced between $12,000 and $14,000.