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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.

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CCSS.8.SP.A.4

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

Back

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

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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

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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

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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

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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

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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