2 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.

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 is the purpose of a two-way table?

Back

The purpose of a two-way table is to summarize data and show the relationship between two categorical variables.

Front

What does the total row/column in a two-way table represent?

Back

The total row/column represents the sum of the frequencies for each category, providing an overall count.

Front

How can you calculate percentages from a two-way table?

Back

To calculate percentages, divide the frequency of a specific category by the total frequency and multiply by 100.

Front

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

Back

Marginal frequency refers to the totals found in the margins (last row and column) of a two-way table.

Front

What is a 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.

Front

How do you determine the most popular category in a two-way table?

Back

To determine the most popular category, compare the joint frequencies and identify the highest value.

Front

What is the difference between categorical and numerical data?

Back

Categorical data represents categories or groups, while numerical data represents quantities or measurements.

Front

How can two-way tables help in making decisions?

Back

Two-way tables help in making decisions by providing a clear visual representation of data relationships, aiding in analysis.