Open Up Unit 8 Test Review

Place the word that correctly completes the sentence. The line plot shows how many minutes it took students in a P.E. class to run 2 kilometers. The median time it took the students to run 2 kilometers was ____ minutes.

• 12

• 14

• 15

• 18

The numbers of leafhoppers found on potato leaves that were 3 to 6 inches in length are displayed in the box-and-whisker plot below. Which statement about the information presented in the graph is correct?

• The greatest number of leafhoppers found was 63.

• The greatest number of leafhoppers found was 50.

• The median number of leafhoppers found was 48.

• The median number of leafhoppers found was 37.

Sarita recorded the high temperatures in her town for the month of July and used her data to make this box-and-whisker plot. Which statement must be true?

• The mean temperature of the month was 94°.

• At least half of the temperatures were 94° or greater.

• There were fewer temperatures between 92° and 94° than between 94° and 99°.

• There were more temperatures between 99° and 104° than between 88° and 92°.

Ellen bought a pedometer wristband to track how many steps she takes. Each day she recorded the number of steps in a table. At the end of the week, she found her mean number of steps was 10,000. She made a bar graph to show her daily steps for the week. Which graph could show Ellen’s steps?

• A graph with all bars at 10,000 steps

• A graph with varying bars but averaging to 10,000 steps

• A graph with all bars below 10,000 steps

• A graph with all bars above 10,000 steps

The heights of 53 students at Park School are shown in the histogram below. Based on the data in the histogram, which statement is true?

• There are 12 students between 46 and 50 inches in height.

• Exactly 18% of the students are between 52 and 54 inches in height.

• More students are between 54 and 60 inches than between 46 and 50 inches in height.

• Fewer students are between 44 and 52 inches than between 52 and 60 inches in height.

Place the correct value to complete the sentence. The table shows the number of calories Lauren consumed each day for two weeks. The difference of the means between the 2 weeks is .​

• 35

• 71

• 175

• 200

Sean and Brittany are in the same basketball team. The table shows the number of pints each scored in the last 5 games. Sean’s median score is ___ points higher than Brittany’s median score.

• 2
• 4

• 7

• 9

Seven airline flights were delayed. The number of minutes by which they were delayed are listed below. 13, 10, 8, 11, 15, 5, 8 Which of these can be used to find the average delay time?

• Mean

• Median

• Mode

• Range

Ann, Bella, and Elena have 7, 8 and 3 pieces of candy, respectively. They decide to redistribute the candy such that each of them has a fair share. Which number below is a fair share of the pieces of candy?

• 3

• 6

• 8

• 18

Ms. Lloyd asked 4 students to each write down 10 different numbers. The table shows each student’s response. Ms. Lloyd then drew the box plot below to model one student’s response. The box plot models _______ response.

• Alice's

• Bonnie's

• Charlie's

• David's