Frequency Tables Lesson

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

Fill in the Blanks

Mrs. Kiser surveyed her students, asking if they prefer winter or summer. How many students were surveyed?

Fill in the Blanks

How many boys were surveyed?

Fill in the Blanks

How many girls prefer summer to winter?

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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%