Basic Statistics Interquartile

Find the interquartile range using the following.
Minimum:  1
Q1:  3
Median:  5
Q3:  7
Maximum:  9

• 8
• 4
• 5
• 10

Find the interquartile range using the following data.
18, 15, 22, 16, 17, 15, 12, 22, 13

• 34
• 16
• 6
• 10

True or False
To find the IQR (interquartile range) you have to add the Q3 + Q1.

• True
• False

Find the IQR (interquartile range) using the following information.
Minimum:  77
Q1:  79.5
Median:  86.5
Q3:  90.5
Maximum:  99

• 86.5
• 22
• 90.5
• 11

True or False
The interquartile range is the difference between the upper quartile (Q3) and the lower quartile (Q1).

• True
• False

Find the interquartile range using the following data
4, 6, 4, 4, 7, 7, 7, 4, 5

• 3
• 1.5
• 2
• 6

Find the interquartile range using the 5 number summary.
Minimum:  2
Q1:  3.5
Median:  6
Q3:  10.5
Maximum:  12

• 7
• 10
• 4.5
• 8.5

Find the IQR using the following data.

86, 94, 60, 82, 50 ,110

• 60

• 84

• 34

• 50

What is the interquartile range of the data set below?

9, 7, 6, 6, 5, 8, 3

• 3

• 6

• 2

• 8