Measures of Variability and Central Tendency

What is the MEAN for this data?

• 80

• 1040

• 13

• 81

What is the median?

• 62

• 58

• 66

• 60

What is the interquartile range for the Checkers Club?

• 4

• 5

• 10

• 11

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

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

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

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

• 43

• 20

• 10

• 12

What is the maximum value?

• 58

• 66

• 64

• 60

What is the range?

• The sum of the largest and smallest number

• The number in the middle

• The difference between the largest and smallest number

• The number that appears most often

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5

• 6

• 9

• 11