Chapter 6 Data Displays and Analysis

Identify any gaps.

• gap between x = 10 and x = 15

• gap between x = 35 and x = 40

• gap between x = 15 and x = 25

• There aren't any significant gaps in this graph.

Identify any clusters.

• Cluster at x = 14

• Cluster at x = 18

• Cluster at x = 24

• There aren't any noteworthy clusters in this graph.

How many have an XBox, but not a Playstation

• 13

• 19

• 4

• 17

How many have a Playstation?

• 13

• 4

• 17

• 23

How many don't have an X Box?

• 4

• 8

• 19

• 23

Of the mechanical engineers, what is the probability that math is their favorite subject?

• 91

• 52%

• 17%

• 35%

What percent of all students were females who prefer football?

• 16%

• 80%

• 8%

• 12%

What is misleading about this data?

• The y-axis is labeled incorrectly.

• The age ranges are different.

• The title is incorrect

What data display is the best to show a person's height compared to their shoe size?

• Scatter Plot

• Circle Graph

• Stem-Leaf Plot

• Historgram

Explain why this graph may be misleading?

• the x-axis does not have equal intervals

• San Fransisco is not a real city

• you cannot have percents in a line graph

• the y-axis does not have equal intervals