Relative Frequency Tables

Front

What is a relative frequency table?

Back

A relative frequency table displays the proportion of observations within each category relative to the total number of observations.

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How do you calculate relative frequency?

Back

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

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What is a two-way frequency table?

Back

A two-way frequency table displays the frequency counts for two categorical variables, allowing for the analysis of the relationship between them.

Front

What does it mean if a student prefers Coke over Pepsi in a survey?

Back

It indicates that the student has a higher inclination or choice for Coke when given the option between Coke and Pepsi.

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How can you determine the number of girls who prefer Pepsi from a survey?

Back

You can find this by looking at the specific count of girls in the Pepsi category from the relative frequency table.

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What is the significance of percentages in relative frequency tables?

Back

Percentages help to understand the proportion of each category in relation to the whole, making comparisons easier.

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If 260 students were surveyed, how do you find the number of students who prefer a specific drink?

Back

You can find this by multiplying the total number of students by the relative frequency of that drink.

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What does a frequency of 91 girls preferring Pepsi indicate?

Back

It indicates that out of the total surveyed students, 91 girls chose Pepsi as their preferred drink.

Front

How do you complete a two-way frequency table?

Back

You fill in the table by counting the occurrences of each combination of categories and ensuring the totals match.

Front

What is the formula to find the percentage of students who skip breakfast?

Back

Percentage = (Number of students who skip breakfast / Total number of students) x 100.