Week 12 Practice Problems

Find the mean of the data:

2 3 1 4 5 2 3 4 3

Three sixth-grade classes raised $25.50, $49.75, and $37.25 for their classroom libraries. They agreed to share the money raised equally. What is each class's equal share?

DO NOT INCLUDE A LABEL.

Calculate the mean of the data:

16 11 18 12 13

Noah scored 20 points in a game. Mai's score was 30 points. The mean score for Noah, Mai, and Clare was 40 points. What was Clare's score?

DO NOT INCLUDE A LABEL.

Han recorded the number of pages that he read each day for five days. The dot plot shows his data. Find the mean number of pages Han read during the five days.

Han recorded the number of pages that he read each day for five days. The dot plot shows his data. Calculate the mean absolute deviation (MAD) of the data.

You may want to use the table on page 114 in your workbook to support your thinking.

Find the median of the data set.

Find the median of the data set.

Match each dot plot with its median.

• 13

• 
• 15

• 
• 6

• 
• 12

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