A survey finds that 110 people ate breakfast and 30 people skipped breakfast. Of those who ate
breakfast, 10 people felt tired. Of those who skipped breakfast, 10 people felt tired. Make a
two-way table that shows the conditional relative frequencies based on the breakfast totals.

A two-way table represents the frequency of dataset by arranging the dataset into a table made up of rows and columns. A conditional relative frequency is the ratio of the frequency of a class to the total frequency.

People who ate breakfast and did not feel tired = 110 - 10 = 100

People who did not breakfast and did not feel tired = 30 - 10 = 20

Felt tired Did not feel tired Total

Ate breakfast 10 100 110

Did not eat breakfast 10 20 30

Total 20 130 140

Felt tired Did not feel tired Total

Ate breakfast 10 / 140 100 / 140 110 / 140

Did not eat breakfast 10 / 140 20 / 140 30 / 140

Total 20 / 140 130 / 140 140 / 140

Felt tired Did not feel tired Total

Ate breakfast 0.0714 0.7142 0.7857

Did not eat breakfast 0.0714 0.1428 0.2143

Total 0.1428 0.8572 1

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A survey finds that 110 people ate breakfast and 30 people skipped breakfast. Of those who ate breakfast, 10 people felt tired. Of those who skipped breakfast, 10 people felt tired. Make a two-way table that shows the conditional relative frequencies based on the breakfast totals.

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What is the two way table?

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A survey finds that 110 people ate breakfast and 30 people skipped breakfast. Of those who ate
breakfast, 10 people felt tired. Of those who skipped breakfast, 10 people felt tired. Make a
two-way table that shows the conditional relative frequencies based on the breakfast totals.