Interpreting Data

Explain why this data is misleading.

• The entire week is not shown, so we cannot tell what the person did after Wednesday.

• Some people do not wear those shoes for walking.

• The walking/running shoes are different sizes.

• Wednesday has two rows of shoes.

What is the median of the data represented in this box and whiskers?

• 8

• 9

• 9.9

• 10

What is the range of the data represented in this box and whiskers?

• 8

• 9

• 10

• 11

What percentage of respondents walked 12 or more miles according to the box and whiskers graph?

• 15%

• 25%

• 50%

• Cannot be determined from this graph

How many respondents are represented in the box and whiskers graph?

• 10

• 45

• 50

• Cannot be determined from this graph

This stem and leaf chart shows the height of pineapple plants in inches. What is the average height of the plants measured?

• 10 inches

• 11 inches

• 12 inches

• Cannot be determined from this graph.

This stem and leaf chart shows the height of pineapple plants in inches. How many plants were measured?

• 3

• 19

• 22

• Cannot be determined from this graph.

This table represents the last gas purchases at the pump. How many intervals will be used in a histogram if the first is 10-24?

• 2

• 4

• 5

• 6

This table represents the last gas purchases at the pump. Which of the six intervals will be the shortest in a histogram where the first interval is 10-24?

• 1st

• 5th

• 6th

• Cannot be determined from the data.

How many coffee drinkers also drink tea?

• 33

• 57

• 145

• 189