Mean, Median, Mode, Range, and Mad

The IQR is a measure of __________________ .

• center

• variation

• quartiles

• range

Find the MAD for following test grades:
100   80   70   90   100

• 30

• 52

• 15

• 10.4

Mean Absolute Deviation is a measure of _________________________ .

• central tendency

• variation

• average 

• anger

The Yankees had the following wins over the last nine years;
89  103  95  97  95  85   84   87  84.
Find the mean. 

• 103

• 96

• 89

• 91

The Yankees had the following wins over the last nine years;
89  103  95  97  95  85   84   87  84.
Find the mode. 

• 84

• 103

• 95

• 84 and 95

The Mets had the following wins over the last nine years;
89   70   79   77   74   74   79   90   87.
Find the mode. 

• 74

• 79

• no mode

• 74 and 79

The Mets had the following wins over the last nine years;
89   70   79   77   74   74   79   90   87.
Find the mean. 

• 80

• 90

• 74

• 16

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

• 13

• 12

• 11

• 10

Find the median of these numbers:
4,2,7,4,3

• 2

• 5

• 7

• 4

Find the median, mode and range: 
3, 5, 7, 9, 11, 8, 3

• median:7  mode:3  range:8

• median:6  mode:3  range:7

• median:7  mode:3 range:8