Frequency Tables

Two-Way Frequency Tables

April 12th, 2022

What is it?​

A two way table is a way to display frequencies or relative frequencies for two categorical variables. One category is represented by rows and a second category is represented by columns.

​Frequency refers to the number of times an event or a value occurs.

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Frequency​

Multiple Choice

How many sophomores like burritos and pizza?

• 6
• 5
• 11
• 50

Multiple Choice

How many people were surveyed? BE CAREFUL AND LOOK AT THE TABLE COMPLETELY.....MAYBE DRAW IT TOO....

• 52

• 60

• 150

• 77

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​Relative Frequency of an event is the number of times the event occurs divided by the total number of trials.

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Relative Frequency​

Multiple Choice

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

• 4%
• 14%
• 13%
• 29%

Multiple Choice

What is the relative frequency of the people who are women and drive SUV's?

• 56.25%

• 75%

• 83.25%

• 86.5%

Multiple Choice

According to the table, what is the relative frequency of students ages 10 - 13 who eat breakfast?

• About 33%
• About 50%
• About 40%
• About 44%

Multiple Choice

Use the relative frequency table of all the individuals who ate a sandwich?

• 33%

• 28%

• 61%

• 49%

Multiple Choice

What is the relative frequency of people that purchased no food?

• 10%
• 60%
• 15%
• 30%