Two-Way Tables & Relative Frequency

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What is a two-way table?

Back

A two-way table is a statistical table that displays the frequency distribution of two categorical variables, allowing for the analysis of the relationship between them.

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What is relative frequency?

Back

Relative frequency is the ratio of the number of times an event occurs to the total number of trials or observations, often expressed as a percentage.

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How do you calculate relative frequency from a two-way table?

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To calculate relative frequency, divide the frequency of a specific category by the total frequency of all categories, then multiply by 100 to get a percentage.

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What does it mean if 86.5% of SUVs are driven by women?

Back

It means that out of all the SUVs surveyed, 86.5% are driven by female drivers, indicating a significant preference or trend.

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If 16.5% of the surveyed population are electrical engineers who like math, what does this indicate?

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This indicates that out of the total surveyed population, 16.5% are both electrical engineers and have a preference for math.

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How can you find the total number of people surveyed using a two-way table?

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You can find the total number of people surveyed by summing all the frequencies in the two-way table.

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What is the significance of the percentage of males driving sports cars being 65%?

Back

This indicates that a majority of the sports car drivers in the survey are male, suggesting a gender trend in sports car ownership.

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What does a percentage of 15.5% for chemical engineers who prefer math represent?

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This represents the proportion of the surveyed population that are chemical engineers and prefer math, highlighting their interests.

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How do you interpret a two-way table?

Back

To interpret a two-way table, analyze the frequencies and percentages to understand the relationship between the two categorical variables.

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What is the formula for calculating percentage?

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Percentage = (Part / Whole) x 100.