Mean and Median and Iqr

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

• 88

• 52

• 12

• 10.4

Mean is found by _________________________ .

• finding the sum of the data

• finding the middle

• finding the sum of the data, then dividing by the amount of numbers

• subtracting the minimum minus the maximum

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 IQR. 

• 14

• 84.5

• 96

• 11.5

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

• 77

• 87

• 79

• 74

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

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

• 74

• 88

• 20

• 14

Find the mean:

3.8, 4.2, 4.0, 4.2, 4.2

• 4.2

• 20.4

• 4.08

• 5.1

Find the median:

5, 6, 3, 9, 0, 4, 1, 2, 7

• 4

• 4.1

• 5

• 4.5

What is the definition of the mean?

• The middle number

• The difference between the highest and lowest numbers

• The average

• The number that occurs the most