Data Analysis Review

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

• 20
• 18
• 11
• 19

Find the median:
3, 5, 7, 4, 3, 1

• 3 and 4
• There isn't one
• 3.5
• 3

Find the mean:
9, 9, 3, 2, 8, 7, 4 

• 49
• 6
• 9
• 7

Find the mode:
4, 5, 4, 3, 5, 1, 6

• 4
• 5
• 4 & 5
• 3

Find the mean of the following numbers 40, 38, 46, 38, 51 and 57.

• 45
• 40
• 38
• 35

Find the range of the following numbers 40, 38, 46, 38, 51 and 57.

• 11

• 17

• 19

• 21

Find the standard deviation of the following numbers 40, 38, 46, 38, 51 and 57.

• 6

• 7.1

• 7.8

• 45

What is the range of the following data values: 24, 26, 29, 34, 35, 35, 37

• 5

• 13

• 24

• 37

What is the IQR for the following data values: 24, 26, 29, 34, 35, 35, 37

• 9

• 11

• 13

• 26

What is the standard deviation for the following data values: 24, 26, 29, 34, 35, 35, 37

• 4.7

• 5.1

• 7

• 31.4