Two-Way Frequency Tables

Front

What is a two-way frequency table?

Back

A two-way frequency table is a statistical tool that displays the frequency of different combinations 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 frequency table?

Back

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

Tags

CCSS.8.SP.A.4

Front

What does the total in a two-way frequency table represent?

Back

The total in a two-way frequency table represents the sum of all frequencies, showing the overall count of observations.

Tags

CCSS.8.SP.A.4

Front

How can you find the percentage of a category in a two-way frequency table?

Back

To find the percentage of a category, divide the frequency of that category by the total frequency and multiply by 100.

Tags

CCSS.8.SP.A.4

Front

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

Back

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

Tags

CCSS.8.SP.A.4

Front

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

Back

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

Tags

CCSS.8.SP.A.4

Front

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

Back

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

Tags

CCSS.8.SP.A.4

Front

How do you calculate the total number of people not wearing a specific color in a two-way frequency table?

Back

To calculate the total number of people not wearing a specific color, sum the frequencies of all categories that do not include that color.

Tags

CCSS.8.SP.A.4

Front

What is the formula to calculate the percentage of students who prefer a certain option?

Back

The formula is: (Number of students who prefer the option / Total number of students) x 100.

Front

How can you determine the number of individuals in a specific category from a two-way frequency table?

Back

You can determine the number of individuals in a specific category by locating the corresponding frequency in the table.

Tags

CCSS.8.SP.A.4