Mean, Mode, Median, and Iqr

What is the IQR?

• The diffference between the minimum and the maximum value.

• The difference between Q3 and Q1.

If you would use the mean, then pick ______.

• MAD

• IQR

What is the median?

• The end of a sentence

• The middle of the road

• The middle of the set of numbers

• My lunch

Find the mode for the following goals scored by soccer team.
3,   3,   0,   2,   2,   2,   5,   5,   8,   4

• 8

• 4

• 3

• 2

Find the median, first quartile, third quartile, and interquartile range of the data.

• Median: 54

  First Quartile: 49

  Third Quartile: 67

  IQR: 18

• Median: 54

  First Quartile: 48

  Third Quartile: 69

  IQR: 21

• Median: 54

  First Quartile: 48

  Third Quartile: 69

  IQR: 22

• Median: 54

  First Quartile: 49

  Third Quartile: 69

  IQR: 20

Find the median, first quartile, third quartile, and interquartile range of the data.

• Median: 189

  First Quartile: 182

  Third Quartile: 203

  IQR: 21

• Median: 189.5

  First Quartile: 182

  Third Quartile: 203

  IQR: 21

• Median: 189

  First Quartile: 182

  Third Quartile: 203.5

  IQR: 21.5

• Median: 189.5

  First Quartile: 182

  Third Quartile: 203.5

  IQR: 21.5

Use the interquartile range to identify any outliers in the following data.

32, 53, 72, 66, 47, 54, 49, 67, 71

• No outliers.

• 32 is an outlier.

In order to find the median, the data must be sorted from least to greatest first.

• True

• False

The number of miles that Jenna cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Jenna cycled?

• 24

• 36

• 39

• 52

Find the IQR (Q3 - Q1)  of the data

20, 22, 25, 29, 31

• 30

• 21

• 25

• 9