Measures of Center

Find the mean of Violet's test scores.

95, 90, 100, 90, 85, 95, 75

• 105

• 92

• 90

• 95

Tags

CCSS.7.NS.A.3

Find the median number of fires Jack started in the last 8 days.

22, 53, 25, 27, 16, 65, 42, 70

• 34.5

• 42

• 27

• 40.5

The data shows the number of goals Dash has scored. Find the mode(s).

4, 4, 2, 3, 1, 0, 7, 2, 5, 6

• 4

• 2, 4, and 6

• 6

• 4 and 2

Listed are the number of math problems assigned for homework on different nights. 12, 20, 15, 52, and 18

Find the mean, median, and mode. Which best represents the data? Explain.

• The mean best represents the data. 23.4 is closest to the center of the data.

• The median best represents the data. There are 2 data values above and two below the median of 18.

• The median best represents the data. There are 2 data values above and two below the median of 16.

• The mean best represents the data. Eighteen is closest to the center of the data.

What is the outlier in the data set?

112, 121, 114, 141, 122, 110, 112

• 112

• 211

• 114

• 141

Find the mean with and without the outlier. Expain how the outlier affects the mean?

92, 68, 88, 80, 89, 81

• The outlier increases the mean by 3.

• The outlier decreases the mean by 4.

• The outlier decreases the mean by 3.

• The outlier has no affect on the mean.

Who is your favorite Incredibles character?

(**The only correct answer is to select all of the characters.**)

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Tags

CCSS.RI.5.7

CCSS.RI.6.7

CCSS.RL.5.7

CCSS.RL.6.7

CCSS.RL.7.7