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

How do you calculate the percentage from a two-way table?

Back

To calculate the percentage, divide the joint frequency by the total number of observations and multiply by 100.

Tags

CCSS.8.SP.A.4

Front

What is the purpose of using two-way tables?

Back

Two-way tables are used to analyze the relationship between two categorical variables and to summarize data.

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 row or column.

Tags

CCSS.8.SP.A.4

Front

How can two-way tables help in making predictions?

Back

Two-way tables can help identify trends and relationships between variables, which can be used to make informed predictions.

Tags

CCSS.8.SP.A.4

Front

What is the difference between relative frequency and absolute frequency?

Back

Absolute frequency is the count of occurrences, while relative frequency is the proportion of occurrences relative to the total.

Tags

CCSS.8.SP.A.4

Front

How do you find the total number of observations in a two-way table?

Back

The total number of observations can be found by summing all the joint frequencies in the table.

Tags

CCSS.6.SP.B.5A