Two-Way Tables

Contingency Tables

But first a review of percents...

Multiple Choice

What is the equivalent percent to 0.05?

• 50%

• 500%

• 5%

• 0.05%

Multiple Choice

136 out of 200 college students had a student loan. Calculate the percent.

• 68%

• 14.7%

• 6.8%

• 71%

Contingency Table

• Organizes categorical data

• Used to summarize relationships between categorical variables

Multiple Choice

What percentage of the days that it rained, did they forecast no rain?

• About 20%
• About 18%
• About 14%
• About 12%

Multiple Choice

How many males were surveyed?

• 77

• 15

• 150

• 52

Multiple Choice

What percentage of girls have blonde hair?

• 30%

• 32%

• 29%

• 40%

Multiple Choice

What is the relative frequency (to the nearest percent) of boys among those who cannot bike to school? 

• 4%
• 14%
• 13%
• 29%

Multiple Choice

According to the two-way table, a person who plays an instrument is most likely to:

• Not play an instrument
• Not play a team sport
• Play a team sport
• All of the above

Multiple Choice

What percent of all the games were losses?

• 40%

• 50%

• 5%

• 43%

Multiple Choice

What percent of the Jets' games were losses?

• 40%

• 65%

• 88%

• 9%