Two Way Tables and Association

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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.

Tags

CCSS.8.SP.A.4

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What is qualitative data?

Back

Qualitative data refers to non-numerical information that describes characteristics or qualities, such as colors, names, or labels.

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What is quantitative data?

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Quantitative data refers to numerical information that can be measured and expressed as a number, such as height, weight, or test scores.

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What does it mean to find an association in data?

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Finding an association in data means identifying a relationship or correlation between two variables, indicating that changes in one variable may relate to changes in another.

Tags

CCSS.HSS.ID.C.9

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How do you calculate probability?

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Probability is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Tags

CCSS.7.SP.C.7A

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What is the probability of an event?

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The probability of an event is a measure of the likelihood that the event will occur, expressed as a number between 0 and 1.

Tags

CCSS.7.SP.C.5

Front

What is a categorical variable?

Back

A categorical variable is a variable that can take on one of a limited, fixed number of possible values, representing different categories or groups.

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What is a frequency distribution?

Back

A frequency distribution is a summary of how often each value occurs in a dataset, often displayed in a table or graph.

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What does it mean if two variables are independent?

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If two variables are independent, it means that the occurrence of one variable does not affect the occurrence of the other variable.

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

Front

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

Back

Marginal frequency refers to the total counts of each category in a two-way table, found by summing the rows or columns.

Tags

CCSS.8.SP.A.4