Unit 1 Part B (2023)

Find the median of the data.

20, 30, 45, 90, 60, 45, 5, 10, 30, 45, 15, 25

• 35

• 30

• no median

• 45

What is the range?
8, 10, 60, 3, 5, 13, 12, 40, 8

• 55
• 8
• 57
• 17.7

Find the mean:
28, 18, 19, 18, 17

• 20
• 18
• 11
• 19

Find the average of the following numbers:

12.25, 6.8, 10.5, 9, 13

• 10.125

• 10.31

• 10.42

• 10.33

Find the mean of the following set of data:

14.2, 7.8, 11.5, 8, 10.5

• 12.5

• 11.25

• 13.125

• 10.4

What is the mode of the following data set?

5, 7, 7, 8, 12 , 12, 5, 6, 13, 12

• 5

• 7

• 12

• no mode

What is the interquartile range of the data set below?

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

• 3

• 6

• 2

• 8

Find the interquartile range using the following data.

12, 13, 15, 15, 16, 17, 19, 21, 22

• 34

• 16

• 6

• 10

Find the IQR using the following data.

50, 60, 82, 86, 94, 110

• 60

• 84

• 34

• 50

Which interval has the greatest number of employees?

• 11-21
• 33-43
• 77-87
• 44-54