Unit 10 Test Review

The total number of items sold by each student who participated in a fund-raiser is shown in the stem and leaf plot.

Which statement is best supported by the data in the stem and leaf plot?

• The median is 15

• the range is 12

• The most common number of items sold is 43

• The most common number of items sold is 24

Which statement best describes the date represented in the box plot ?

• Half the students drank from 74 to 114 fluid ounces

• The greatest number of students drank from 85 to 100 ounces.

• the data represents 114 student responses

• The mean number of fluid ounces that the students drank is 114

The cafeteria manager recorded the weight of wasted food, in ounces, for a second grade class in the list below.

8,2,5,3,2

What are the median, mean, and mode for the data set?

Which of the following survey questions would yield the greatest variability of data?

• Do you prefer to swim laps or run on the track?

• What type of candy do you prefer?

• Do you prefer country or hip hop music?

• Do you like going to the Houston Rodeo?

What is the range, in length, of the beetles she recorded?

The 9 members of an art club collected a total of $430 during a fund- raiser. The amounts collected by 8 of the members are represented on the line plot.

How many dollars were collected by the tenth member of the art club?

Cosmic, Inc. is a software company. The ages of the employees are displayed in the histogram.

Which statement about the data in the histogram must be true?

• More than half of the company is 40-59 years old

• There are more women than men at the company.

• The company has a total of 30 employees

• Exactly 5 members are less than 20 years old.

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Which of the following box-and-whisker plots represents the set of data? 24, 23, 29, 31, 31, 26, 33, 35

• A

• B

• C

• D

Which percentage bar graph best represents the data?

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