Two-Way Tables

Front

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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How do you calculate the total number of people surveyed in a two-way table?

Back

To calculate the total number of people surveyed, sum all the frequencies in the table.

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What is joint relative frequency in a two-way table?

Back

Joint relative frequency is the ratio of the frequency of a specific combination of categories to the total number of observations, often expressed as a percentage.

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How do you find the probability of an event using a two-way table?

Back

To find the probability of an event, divide the frequency of the event by the total number of observations.

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What does it mean if a person who plays an instrument is most likely to play a team sport?

Back

It indicates a correlation between playing an instrument and participating in team sports, as shown by the frequencies in the two-way table.

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How can you determine the favorite subject of a specific group in a two-way table?

Back

You can determine the favorite subject by looking at the row or column corresponding to that group and identifying the highest frequency.

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What is the significance of the age range in a two-way table?

Back

The age range helps categorize data, allowing for analysis of trends or behaviors specific to different age groups.

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How do you interpret a percentage in the context of a two-way table?

Back

A percentage in a two-way table indicates the proportion of a specific category relative to the total, providing insight into the distribution of responses.

Front

What is the difference between marginal frequency and joint frequency?

Back

Marginal frequency refers to the totals for each category in a single variable, while joint frequency refers to the counts for combinations of categories from two variables.

Front

How can you use a two-way table to analyze survey results?

Back

You can analyze survey results by examining the relationships between different categorical variables, identifying trends, and calculating probabilities.