Two-Way Tables Review

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.

Tags

CCSS.8.SP.A.4

Front

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

Back

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

Tags

CCSS.8.SP.A.4

Front

What is relative frequency?

Back

Relative frequency is the ratio of the frequency of a particular category to the total number of observations, often expressed as a percentage.

Tags

CCSS.8.SP.A.4

Front

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

Back

Divide the frequency of the specific group by the total number of observations, then multiply by 100 to get a percentage.

Tags

CCSS.8.SP.A.4

Front

What does it mean if two variables are associated in a two-way table?

Back

If two variables are associated, it means that the presence or value of one variable affects the presence or value of the other variable.

Tags

CCSS.8.SP.A.4

Front

What is the importance of analyzing two-way tables?

Back

Analyzing two-way tables helps to identify patterns, relationships, and associations between two categorical variables.

Tags

CCSS.8.SP.A.4

Front

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

Back

Marginal frequency is the total frequency for a single category, found by summing the frequencies across a row or down a column.

Tags

CCSS.8.SP.A.4

Front

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

Back

Joint frequency is the frequency count for a specific combination of categories from the two variables.

Tags

CCSS.8.SP.A.4

Front

How can you determine the majority in a two-way table?

Back

To determine the majority, compare the frequencies of each category and identify the one with the highest count.

Tags

CCSS.8.SP.A.4

Front

What does it indicate if a majority of students have a curfew in a two-way table?

Back

It indicates that more than half of the surveyed students have a curfew, suggesting a common practice among the group.

Tags

CCSS.8.SP.A.4