# U7 - Statistics Practice (Dot Plots,Histograms)

## 13 questions

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• 1. Multiple Choice
3 minutes
1 pt

The table on the left shows the number of customers that visit a store at different times of the day.

Which histogram correctly displays the given data?

• 2. Multiple Choice
1 minute
1 pt

This histogram shows the ages of the members of a community gym.

Question: How will the mean age of members at the community gym change if the outlier in the data is removed?

The mean age of members will increase.

The mean age of members will decrease.

The outlier does not affect the mean, so the mean age of members will not change.

There is no outlier in this data set, so the change in the mean age of members cannot be determined.

• 3. Multiple Choice
5 minutes
1 pt

Mr. Morris gave his algebra class a test, the results of which are listed below.

68, 92, 74, 75, 86, 90, 92, 81, 60, 82, 77, 80

Shania was absent on the day of the test and had to take the test on a date after the scores were first posted. She earned a score of 99. Which measure of the class's test results did Shania's score most change?

Interquartile Range (IQR)

Mean

Median

Range