Grade 6 | Unit 8: Data Sets and Distributions | Mid-Unit Assessment (A)

Select all the statistical questions.

• How many nickels does it take to make a dollar?

• In what year was the first penny made in the United States?

• Among all the pennies at a bank, what is the most frequent year the pennies were made?

• Which coin (penny, nickel, dime, or quarter) is used most frequently in transactions at a bank?

• On average, how many pennies do people receive in change when they make a purchase at a store?

Tags

6.SP.A.1

This dot plot shows the number of hours 20 sixth grade students slept on a Saturday night. Select all the true statements about the data used to build the dot plot.

• Six students slept for at least 8 hours.

• The mean amount of sleep was 6.25 hours.

• More than half of the students slept 7 hours or less.

• Only 1% of the students slept more than 8 hours.

• The difference between the most hours of sleep and the least for these students was 2.5 hours.

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6.RP.A.3.c

6.SP.B.4

Students responded to a survey. The survey asked students to report the amount of time they spent doing homework during a week, to the nearest hour. This histogram displays the data. Which of these statements must be true?

• A total of 4 students participated in the survey.

• Every student spent at least 1 hour doing homework.

• Every student spent less than 20 hours doing homework.

• More students spent 7 hours doing homework than spent 12 hours.

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6.SP.B.4

6.SP.B.5.a

Here is the height of 20 flowers in the school garden, in centimeters.

• 5
• 5
• 10
• 10
• 15
• 25
• 25
• 25
• 25
• 30
• 30
• 35
• 45
• 45
• 50
• 55
• 65
• 70
• 105
• 110

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6.SP.A.3

6.SP.B.4

The mean of four numbers is 25. Three of the four numbers are 20, 26, and 26. What is the fourth number?

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6.SP.B.5.c

Draw two dot plots, each with 7 or fewer data points, so that:

• both dot plots display data with approximately the same mean
• the data displayed in Dot Plot A has a much larger MAD (mean absolute deviation) than the data displayed in Dot Plot B.

How can you tell, visually, that one dot plot displays data with a larger MAD than another?

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6.SP.B.4

6.SP.B.5.c

Here are two dot plots, the ages of the five children in each of two families.

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6.SP.A.3

6.SP.B.5.c