9.5 Measures of Variation

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

Tags

CCSS.6.SP.B.5C

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.SP.B.5C

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.5C

Which of the following is the mean absolute deviation for the set of data?
2.50 3.75 1.25 2.25 3.00

• 3.3
• 0.66
• 2.50
• 2.55

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

Find the MAD for the following set: 65, 90, 85, 70, 70, 95, 55

• 12.24
• 75.7
• 85.7
• 40

Tags

CCSS.6.SP.B.5C

What is the Normal Range of the annual precipitation for Phoenix, if the average is 29 with a standard deviation of 3?

• 26-32
• 3-29
• 26-29
• 39-32

Tags

CCSS.6.SP.B.5C

The standard deviation of the data is $2.05. Describe the data that are within one standard deviation of the mean. Round to the hundredths place.

• The cost of the board game is between $13.93 and $17.45
• The cost of the board game is between $14.92 and $18.92
• The cost of the board game is between $14.83 and $18.93
• The cost of the board game is between $1 and $19

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

• 9
• 6
• 1.2
• 5

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the MAD:
58, 38, 54, 48, 26, 36

• 43
• 20
• 10
• 12

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

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.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2