Two Way Tables

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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. It helps in analyzing the relationship between the two variables.

Tags

CCSS.8.SP.A.4

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How do you calculate the total frequency in a two-way table?

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To calculate the total frequency, sum all the frequencies in the table.

Tags

CCSS.8.SP.A.4

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What is relative frequency?

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Relative frequency is the ratio of the frequency of a particular category to the total frequency. It shows how often an event occurs relative to the total number of events.

Tags

CCSS.8.SP.A.4

Front

How do you find the relative frequency of a category in a two-way table?

Back

Divide the frequency of the category by the total frequency of all categories.

Tags

CCSS.8.SP.A.4

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What does it mean if the relative frequency is 0.112?

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It means that 11.2% of the total observations fall into that category.

Tags

CCSS.8.SP.A.4

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How can you express relative frequency as a percentage?

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Multiply the relative frequency by 100 to convert it into a percentage.

Tags

CCSS.8.SP.A.4

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What is the purpose of using two-way tables in statistics?

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Two-way tables are used to summarize and analyze the relationship between two categorical variables, making it easier to identify patterns and trends.

Tags

CCSS.8.SP.A.4

Front

What is a marginal frequency in a two-way table?

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Marginal frequency is the total frequency for each category of one variable, found by summing the rows or columns.

Tags

CCSS.8.SP.A.4

Front

How do you interpret the data in a two-way table?

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To interpret the data, look for patterns, compare relative frequencies, and analyze the relationship between the two variables.

Tags

CCSS.8.SP.A.4

Front

What is the formula for calculating the percentage of a specific category?

Back

(Frequency of the category / Total frequency) x 100.

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CCSS.7.SP.A.2