Relative Frequency Tables

Front

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.

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How do you calculate relative frequency?

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

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What does a percentage represent in a relative frequency table?

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

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

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

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

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

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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.

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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.

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

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

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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.