Stats Review

Find the median.

• 1

• 11

• 15

• 20

Find the first quartile.

• 1

• 11

• 15

• 20

Find the third quartile.

• 1

• 11

• 15

• 20

Find the inter quartile range(IQR).

• 23

• 9

• 4

• 19

Identify the data that best represents the box-and-whisker plot.

• 2,3,3,4,5,10,11,14,15,16,17,19

• 3,3,4,5,5,10,14,14,15,16,17,18

• 1,2,3,4,5,10,13,14,15,16,17,17

• 3,3,3,4,5,10,11,14,15,16,17,18

Identify the shape of the box-and-whisker plot.

• Skewed right

• Skewed left

• Symmetric

• None

What percent of the data lies within each quartile?

• 25%

• 50%

• 75%

• 100%

What percent of the data lies within inter quartile range(IQR)?

• 25%

• 50%

• 75%

• 100%

What percent of the data lies below the third quartile?

• 25%

• 50%

• 75%

• 100%

What percent of the data lies above the mean?

• 25%

• 50%

• 75%

• 100%