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. It helps in analyzing the relationship between the two 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 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, making it easier to analyze and interpret.

Tags

CCSS.8.SP.A.4

Front

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

Back

The total row/column in a two-way table represents the sum of the frequencies for each category, providing an overall count for each variable.

Tags

CCSS.8.SP.A.4

Front

How can you calculate the total number of observations from a two-way table?

Back

To calculate the total number of observations, sum all the frequencies in the table, including the totals for rows and columns.

Tags

CCSS.8.SP.A.4

Front

What is the formula to calculate the percentage from a two-way table?

Back

The formula to calculate the percentage is: (Frequency of the category / Total observations) x 100.

Tags

CCSS.8.SP.A.4

Front

How do you find the number of students who studied a specific subject using a two-way table?

Back

Locate the row for the subject and read across to find the total or specific counts for that subject.

Tags

CCSS.8.SP.A.4

Front

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

Back

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

Tags

CCSS.8.SP.A.4

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.

Tags

CCSS.8.SP.A.4

Front

How can you identify trends using a two-way table?

Back

Trends can be identified by comparing the joint frequencies and marginal frequencies to see how one variable affects the other.

Tags

CCSS.8.SP.A.4