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.

Tags

CCSS.8.SP.A.4

Front

How do you calculate relative frequency from a two-way table?

Back

Relative frequency is calculated by dividing the frequency of a specific category by the total number of observations.

Tags

CCSS.8.SP.A.4

Front

What does the term 'marginal frequency' refer to in a two-way table?

Back

Marginal frequency refers to the totals found in the margins (rows or columns) of a two-way table, representing the total counts for each category.

Tags

CCSS.8.SP.A.4

Front

What is the formula for calculating probability from a two-way table?

Back

Probability is calculated by dividing the frequency of the event of interest by the total number of observations.

Tags

CCSS.8.SP.A.4

Front

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

Back

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

Tags

CCSS.8.SP.A.4

Front

What is the difference between joint frequency and marginal frequency?

Back

Joint frequency refers to the frequency of occurrences for a specific combination of categories, while marginal frequency refers to the total counts for each category.

Tags

CCSS.8.SP.A.4

Front

How do you interpret the data in a two-way table?

Back

Interpreting data involves analyzing the frequencies and probabilities to understand the relationship between the two categorical variables.

Tags

CCSS.8.SP.A.4

Front

What is the significance of the total row and total column in a two-way table?

Back

The total row and total column provide the marginal frequencies, which help in calculating probabilities and understanding overall distributions.

Tags

CCSS.8.SP.A.4

Front

How can two-way tables be used to find conditional probabilities?

Back

Conditional probability can be found by dividing the joint frequency of the event of interest by the marginal frequency of the condition.

Tags

CCSS.8.SP.A.4

Front

What is an example of a two-way table?

Back

An example could be a table showing the number of students who play different sports categorized by gender.

Tags

CCSS.8.SP.A.4