7th Grade Carnegie Assessment #5

An average family uses 300 gallons of water per day at home. The circle graph shows the percentages of some of the types of water use for an average family. How many gallons of water per day are used for Clothes washer or other?

• 96 gallons

• 24 gallons

• 75 gallons

• 36 gallons

A scientist measured the weights of squirrels in two populations. The dot plots display data from each population. Which statement is best supported by the information in the dot plots?

• A. The two populations have different mode weights.

• B. The two populations have different median weights.

• C. The data for the two populations have different skews.

• D. The data for the two populations have different ranges.

A sidewalk in the shape of two triangles, a rectangle, and a square was built around the edge of a building as shown. What is the area of the sidewalk in square feet?

• 108 ft²

• 162 ft²

• 144 ft²

• 180 ft²

Mr. Kumar conducted a random survey asking 80 students which elective class they prefer. The results are shown in the bar graph. True or False, based on the bar graph, twice as many 8th grade students prefer band as 7th grade students.

• True

• False

This figure is composed of a parallelogram and a trapezoid. What is the area of the figure in square centimeters? (only enter the numerical answer, do not include the units)

The dimensions of a rectangular prism are given in the net shown. What is the total surface area of the rectangular prism in square inches?

• 100 square inches

• 150 square inches

• 142 square inches

• 250 square inches

The net of a triangular prism is shown with dimensions in centimeters. What is the total surface area of the triangular prism in square centimeters?

• 900 cm²

• 850 cm²

• 720 cm²

• 840 cm²

The angle measures of a triangle are shown in the diagram. What is the value of x?

• 30

• 45

• 60

• 90

Based on the graph, what percentage of seventh graders prefer sprinkles or chocolate chips as an ice cream topping?

• 20%

• 64%

• 18%

• 36%

Based on the box plot, what is the IQR (Interquartile Range) for Group A?

• 4

• 6

• 10

• 22