TEKS.MATH.8.11B

To find the mean absolute deviation for  a set of data, you  _____.

• Average the absolute deviations
• Average the standard deviations
• Add the absolute deviations
• Add the standard deviations

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TEKS.MATH.8.11B

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

• 9
• 6
• 1.2
• 5

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TEKS.MATH.8.11B

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

• 9
• 6
• 1.2
• 5

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TEKS.MATH.8.11B

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

• 9
• 6
• 1.2
• 5

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TEKS.MATH.8.11B

All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?

• 1
• 2
• 3
• 4

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TEKS.MATH.9-12.IV.D.1

TEKS.MATH.8.11B

Your math grades are 90, 85, 58, 90, 80, 100, and 90.  Which grade is the outlier?

• 90
• 58

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TEKS.MATH.8.11B

What is the mean (average) of this data? Round to the nearest tenth.

• 8.0

• 8.3

• 7.5

• 9.0

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TEKS.MATH.6.12C

TEKS.MATH.8.11B

Which of the following is a measure of variability?

• mean
• median
• mode
• standard deviation

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TEKS.MATH.8.11B

What is the first step (1-2) when calculating the Mean Absolute Deviation?

• Find the distance each value is from the mean

• Find the mean of the data

• Find the mean of the distances

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TEKS.MATH.8.11B

True or false? :The larger the Mean Absolute Deviation the more consistent the data is.

• True

• False

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TEKS.MATH.8.11B