Mean, Median, Range, Iqr

When finding the median, what do you do if there are two middle numbers?

• Add them together and divide by 2

• Write them both as the answer

• Give up

• Pick one

Find the range of the data.

63, 71, 65, 66, 87, 53

• 32

• 33

• 34

• 35

Find the range of the data.

16, 28, 6, 19, 21, 15, 22, 33, 17

• 18

• 27

• 30

• 12

What is the interquartile range of the data set below?

• 3

• 6

• 2

• 8

What is the IQR?

• 5.5

• 4

• 4.5

• 6

The IQR is a measure of __________________ .

• center

• variation

• quartiles

• range

IQR stands for...

• interquestion rainbow

• inside quick radiation

• interquartile range

• I quit running

IQR stands for...

• interquestion rainbow

• inside quick radiation

• interquartile range

• I quit running

The IQR represents the middle ___________ of the data.

• 25%

• 50%

• 75%

• 100%

Find the measures of variation for the data set.

• 8.75

• Range

• 9.25

• Median (Q2)

• 0.5

• Q1

• 8.9

• IQR

• 1.4

• Q3