Sampling and Statistics

What is the mean of this data set?
6, 7, 2, 1, 5, 2, 1, 6

• 24.75

• 3

• 3.7

• 3.8

Find the MAD for the following set: 85, 90, 68, 75, 79

• 79.4

• 6.48

• 32.4

• 79

Find the MAD:
58, 38, 54, 48, 26, 36

• 43

• 20

• 10

• 12

What is the interquartile range?

• 4

• 6

• 2

• 8

Which Dot Plot shows the Least Variability?

• A

• B

Which Box and Whisker Plot has the Greater Variability?

• Lucy's Steakhouse

• Gary's Grill

Which Box and Whisker Plot has the least variation in its data?

• The Cruisers

• The Car Hops

Which IQR represents the largest variability in a data set?

• IQR: 12

• IQR: 11

• IQR: 10

• IQR:15

_______ is a part of a group being surveyed.

• Sample

• Population

• Random Sample

• Quartile

• A

• B

• C

• D