Relative Frequency Tables

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What is a relative frequency table?

Back

A relative frequency table displays the proportion of each category in relation to the total number of observations, often expressed as a percentage.

Tags

CCSS.8.SP.A.4

Front

How do you calculate relative frequency?

Back

Relative frequency is calculated by dividing the frequency of a specific category by the total number of observations.

Tags

CCSS.8.SP.A.4

Front

What does a percentage represent in a relative frequency table?

Back

A percentage in a relative frequency table represents the proportion of observations that fall into a specific category, relative to the total.

Tags

CCSS.8.SP.A.4

Front

If 70% of students eat breakfast, what does this mean?

Back

It means that out of all surveyed students, 70% reported that they eat breakfast.

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CCSS.6.SP.A.2

Front

How can you find the number of students who prefer a certain option from a relative frequency?

Back

Multiply the total number of surveyed students by the relative frequency (as a decimal) of that option.

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CCSS.7.SP.A.2

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What is the total number of students surveyed if 52 prefer Pepsi and this represents 20% of the total?

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The total number of students surveyed is 260, calculated by dividing 52 by 0.20.

Tags

CCSS.6.RP.A.3C

Front

What is the significance of the total in a relative frequency table?

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The total is crucial as it serves as the denominator for calculating relative frequencies and percentages.

Tags

CCSS.8.SP.A.4

Front

If 22 students have no cell phone out of 100 surveyed, what is the relative frequency?

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The relative frequency is 22%, calculated as (22/100) x 100.

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CCSS.7.SP.A.2

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How do you interpret a relative frequency of 48% for boys in a survey?

Back

It indicates that 48% of the surveyed individuals identified as boys.

Tags

CCSS.8.SP.A.4

Front

What is the formula for finding the number of individuals in a category using relative frequency?

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Number in category = Relative frequency (%) x Total number of individuals.

Tags

CCSS.7.SP.A.2