Mean Median Mode Range Iqr

The IQR is a measure of __________________ .

• center

• variation

• quartiles

• range

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

• 30

• 20

• 25

• 15

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 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 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 IQR. 

• 74

• 88

• 20

• 14

The range is found by _________________ .

• adding the quartiles

• subtracting the quartiles

• subtracting the maximum value minus the minimum value

• the golf course

Find the median for the following prices;
$12.50,    $15.50,   $15,   17.50,   $11.50

• $12.50

• $17.50

• $15

• $11.50

Mean Absolute Deviation is a measure of _________________________ .

• central tendency

• variation

• average 

• anger