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 two categorical variables, allowing for the analysis of the relationship between them.

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.

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.

Front

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

Back

Joint frequency is the count of occurrences for a specific combination of categories from the two variables represented in the table.

Front

What is the formula to calculate the total number of observations in a two-way table?

Back

The total number of observations is the sum of all the joint frequencies in the table.

Front

How can you find the conditional frequency from a two-way table?

Back

Conditional frequency is found by dividing the joint frequency by the marginal frequency of the category of interest.

Front

What is the purpose of using a two-way table?

Back

The purpose of using a two-way table is to organize and analyze data to identify relationships and patterns between two categorical variables.

Front

If a two-way table shows 70 males and 30 females surveyed, what is the total number of students surveyed?

Back

The total number of students surveyed is 70 + 30 = 100.

Front

In a two-way table, if the joint frequency of males who own a cell phone is 48, what does this tell you?

Back

This indicates that out of the total surveyed, 48 males own a cell phone.

Front

What does it mean if a two-way table has a high joint frequency for a specific category?

Back

A high joint frequency indicates a strong association or relationship between the two categories represented in that cell of the table.