Measures of Center and Variation

What is the standard deviation for the data given:

12, 13, 29, 18, 61, 35, 21

• 293.67

• 15.87

• 17.14

• 41.98

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

• 3 and 4

• There isn't one

• 3.5

• 3

Find the mode:
3.8, 4.2, 4.0, 4.2, 4.2

• 4.2

• 3.8

• 4.0

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40

• 24

• 4

• 256

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

• 20

• 18

• 11

• 19

Find the median:
5, 6, 3, 9, 0, 4, 1, 2, 7

• 4

• 4.1

• 5

• 4.5

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

• 4

• 5

• 4 & 5

• 3

The data value that occurs the most

• Mean

• Median

• Mode

• Range

Which is the MIDDLE?

• Mean

• Median

• Mode

• Range

What is the third quartile (UQ) of the data?

• 37

• 38

• 40

• 46