Two-Way Tables & Relative Frequency

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

What is relative frequency?

Back

Relative frequency is the ratio of the number of times an event occurs to the total number of trials or observations, often expressed as a percentage.

Tags

CCSS.7.SP.C.6

Front

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

Back

To calculate relative frequency, divide the frequency of a specific category by the total frequency of all categories, then multiply by 100 to get a percentage.

Tags

CCSS.8.SP.A.4

Front

What does it mean if a two-way table shows a higher relative frequency for one category?

Back

It indicates that the event or characteristic represented by that category occurs more frequently compared to others in the dataset.

Tags

CCSS.8.SP.A.4

Front

What is the purpose of using two-way tables in surveys?

Back

Two-way tables help summarize and analyze the relationship between two categorical variables, making it easier to identify patterns and trends.

Tags

CCSS.8.SP.A.4

Front

How can you determine which group preferred a certain option using a two-way table?

Back

By comparing the relative frequencies of the groups for that option, you can identify which group has the highest preference.

Tags

CCSS.8.SP.A.4

Front

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

Back

The total row and column provide the overall counts for each category, which are essential for calculating relative frequencies.

Tags

CCSS.8.SP.A.4

Front

How do you interpret the results of a two-way table?

Back

Interpretation involves analyzing the frequencies and relative frequencies to draw conclusions about the relationships between the variables.

Tags

CCSS.8.SP.A.4

Front

What is a categorical variable?

Back

A categorical variable is a type of variable that can take on one of a limited, fixed number of possible values, representing different categories or groups.

Front

What is an example of a two-way table?

Back

An example could be a table showing the number of students who like different types of movies (Action, Comedy, Drama) categorized by gender (Male, Female).

Tags

CCSS.8.SP.A.4