Statistics Middle School

What is the mean of the following set of data?

• 11.8

• 71

• 12

• 14.2

What is the interquartile range of test scores for 1st Period?

• 70-95

• 75-90

• 15

• 10

What is the MAD of the following set of data? Round your answer to the nearest tenth.

• 5

• 4.7

• 4

• 9

Roger has the following data:

12, 10, 3, 5, 6

Susan has the following data:

5, 9, 4, 5, 6

Who has the data with the highest median and what is it?

• Roger - 6

• Susan - 7

• Roger - 8

• Susan - 5.5

What is the interquartile range of 2nd Periods test scores?

• 12

• 9

• 15

• 80

Is there an outlier in the follow set of data?

• Yes, 19

• No

• Yes, 65

What is the range of the follow set of data:

• 67

• 43

• 68

• 56

Determine the mean absolute deviation of the data. 9, 7, 11, 10, and 8

• 9

• 6

• 1.2

• 5

Find the Mean Absolute Deviation:  10, 9, 3, 8, 10.  The Mean is 8

• 3

• 5

• 1

• 2

What is another word for average?

• Mean

• Median

• Mode

• Range