Find the Median First Quartile Third Quartile and Interquartile Range of Data

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

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

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

• 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.

203, 183, 212, 181, 157, 204, 189, 190

• 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

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

23, 33, 25, 16, 27, 43, 29, 40, 35

• Median: 29

  First Quartile: 24

  Third Quartile: 37.5

  IQR: 13.5

• Median: 27

  First Quartile: 25

  Third Quartile: 35

  IQR: 10

• Median: 29

  First Quartile: 25

  Third Quartile: 37.5

  IQR: 12.5

• Median: 27

  First Quartile: 24

  Third Quartile: 35

  IQR: 11

What do quartiles split data up into?

• halves

• thirds

• fourths

• fifths

What is the first step to take when attempting to find IQR?

• Find the lower and upper quartile.

• Find the median.

• Put the list of numbers in order.

• Subtract the lower and upper quartile.

Calculate the interquartile range of the following data:
17, 18, 18, 19, 20, 21, 21, 23, 25

• 3
• 4
• 5
• 8

Find the IQR using the following data.

50, 60, 82, 86, 94, 110

• 60

• 84

• 34

• 50

Find the interquartile range using the following data

4, 4, 4, 4, 5, 6, 7, 7, 7

• 3

• 1.5

• 2

• 6