mean absolute deviation

What is Mean Absolute Deviation?

• The mean of the data
• The absolute value of the mean
• The variation of data values around the mode
• The rage distance between the data values and the mean

Tags

CCSS.7.EE.B.3

What is the first step when calculating the Mean Absolute Deviation?

• Find the distance each value is from the mean
• Find the mean of the distances
• Find the mean of the data

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CCSS.6.NS.C.7

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the second step when calculating the Mean Absolute Deviation?

• Find the distance each value is from the mean
• Find the mean of the distances
• Find the mean of the data

Tags

CCSS.6.NS.C.7

CCSS.6.SP.B.5

What is the third step when calculating the Mean Absolute Deviation?

• Find the distance each value is from the mean
• Find the mean of the distances
• Find the mean of the data

Tags

CCSS.6.SP.B.5

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

• 3
• 5
• 1
• 2

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CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the Mean Absolute Deviation:  5, 11, 2, 7, 16.  The Mean is 8.2 

• 3.2
• 2.8
• 1.2
• 4.2

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is another word for average?

• Mean
• Median
• Mode
• Range

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Which mean absolute deviation would have a greater variability or spread?  4.2 or 8.5?

• 4.2
• 8.5

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CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

In calculating MAD, after you find the absolute deviations you must _____________.

• Do nothing because you are done.
• Subtract them from the mean.
• Find the mean of the absolute deviations.

Tags

CCSS.6.SP.B.5

Which dot plot shows more variability? a or b?

• a
• b

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5