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 variables. It allows for the comparison of two categorical variables.

Tags

CCSS.8.SP.A.4

Front

How do you read a two-way table?

Back

To read a two-way table, locate the row and column that correspond to the categories of interest, and find the intersection to see the frequency or count.

Tags

CCSS.8.SP.A.4

Front

What does the term 'marginal frequency' mean in a two-way table?

Back

Marginal frequency refers to the totals found in the margins (the last row and column) of a two-way table, showing the total counts for each category.

Tags

CCSS.8.SP.A.4

Front

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

Back

Joint frequency is the count of occurrences for a specific combination of categories in a two-way table.

Tags

CCSS.8.SP.A.4

Front

What is the purpose of a two-way table?

Back

The purpose of a two-way table is to organize data to analyze the relationship between two categorical variables.

Tags

CCSS.8.SP.A.4

Front

How can you determine the most common category in a two-way table?

Back

To determine the most common category, look for the highest joint frequency in the table.

Tags

CCSS.8.SP.A.4

Front

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

Back

Conditional frequency is the frequency of a category given a specific condition, often calculated by dividing the joint frequency by the total of the relevant row or column.

Tags

CCSS.8.SP.A.4

Front

What is the difference between marginal and joint frequency?

Back

Marginal frequency refers to the total counts for each category, while joint frequency refers to the counts for specific combinations of categories.

Tags

CCSS.8.SP.A.4

Front

How can two-way tables help in making predictions?

Back

Two-way tables can help in making predictions by analyzing the relationship between variables and identifying trends based on historical data.

Tags

CCSS.8.SP.A.4

Front

What is an example of a two-way table?

Back

An example of a two-way table could be a table showing the number of students who play an instrument and whether they play a team sport.

Tags

CCSS.8.SP.A.4