Two-Way Relative Frequency Tables

Front

What is a two-way relative frequency table?

Back

A two-way relative frequency table displays the relative frequencies of two categorical variables, showing how often each combination of categories occurs relative to the total.

Tags

CCSS.8.SP.A.4

Front

How do you calculate relative frequency?

Back

Relative frequency is calculated by dividing the frequency of a specific category by the total frequency of all categories.

Tags

CCSS.8.SP.A.4

Front

What does it mean if a relative frequency is 0.61?

Back

A relative frequency of 0.61 means that 61% of the total observations fall into that specific category.

Front

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

Back

To find the percentage of a specific group, divide the number of occurrences in that group by the total number of occurrences and multiply by 100.

Tags

CCSS.8.SP.A.4

Front

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

Back

The purpose is to analyze the relationship between two categorical variables and to understand how they interact with each other.

Tags

CCSS.8.SP.A.4

Front

If 11 out of 50 sophomores like both burritos and pizza, what is the relative frequency?

Back

The relative frequency is 11/50 = 0.22 or 22%.

Tags

CCSS.8.SP.A.4

Front

What is the relative frequency of sandwiches if 61 out of 100 total lunch orders are sandwiches?

Back

The relative frequency is 61/100 = 0.61 or 61%.

Tags

CCSS.8.SP.A.4

Front

How do you interpret a relative frequency of 0.35 for males driving sports cars?

Back

It means that 35% of the males surveyed drive sports cars.

Tags

CCSS.8.SP.A.4

Front

What does a relative frequency of about 67% indicate about students who skip breakfast?

Back

It indicates that approximately 67% of the surveyed students aged 14-17 skip breakfast.

Tags

CCSS.8.SP.A.4

Front

Which age group liked Action movies the least if the relative frequency is lowest for that group?

Back

The age group 18-25 liked Action movies the least.

Tags

CCSS.8.SP.A.4