M.A.D.

What is the first step in finding mean absolute deviation?

• Subtract the data
• Add the data
• Multiply the data
• Divide the data

What is the second step in finding mean absolute deviation?

• Subtract the data
• Add the data
• Divide by the number of data pieces
• Multiply the data

What is the third step in finding mean absolute deviation?

• Subtract the mean from each piece of data
• Add each piece of data to the mean
• Divide by the number of data pieces
• Multiply the data by the mean

What is the fourth step in finding mean absolute deviation?

• Stand up and clap your hands
• Subtract the absolute value of each difference
• Multiply the absolute value of each difference
• Add the absolute value of each difference

And what is the last step in finding mean absolute deviation?

• Multiply by the number of data pieces
• Do 4 jumping jacks
• Divide the sum by the number of data pieces
• Stand up, rotate yourself clockwise 360 degrees

Find the mean absolute deviation of the following (to the nearest tenth):
25, 42, 17, 37, 31

• 30.4
• 37.6
• 7.5
• 152

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

True or false?:The absolute value of a number will always be positive.

• True
• False

Tags

CCSS.6.NS.C.7

CCSS.6.NS.C.8

In calculating MAD, after you find the average or mean you must _____________. 

• do nothing because you're done
• Find out the distance each number is from the mean.
• Find the distance each number is from zero.

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

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

• 9
• 6
• 1.2
• 5