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 the total number of surveyed individuals from a two-way table?

Back

To find the total number of surveyed individuals, sum all the frequencies in the table.

Tags

CCSS.6.SP.B.5A

Front

What is relative frequency?

Back

Relative frequency is the ratio of the frequency of a particular category to the total number of observations, often expressed as a percentage.

Tags

CCSS.8.SP.A.4

Front

How do you find the relative frequency of a specific group in a two-way table?

Back

Divide the frequency of the specific group by the total number of surveyed individuals and multiply by 100 to get a percentage.

Tags

CCSS.8.SP.A.4

Front

What does it mean to simplify a ratio?

Back

Simplifying a ratio means reducing it to its lowest terms by dividing both parts of the ratio by their greatest common divisor.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How can you express a ratio in simplest form?

Back

To express a ratio in simplest form, divide both the numerator and the denominator by their greatest common factor.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the formula for calculating the percentage of a category in a two-way table?

Back

(Frequency of the category / Total frequency) x 100.

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 overall counts for each category, helping to understand the distribution of data.

Tags

CCSS.8.SP.A.4

Front

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

Back

To interpret data in a two-way table, analyze the frequencies and relative frequencies to identify trends and relationships between the two variables.

Tags

CCSS.8.SP.A.4

Front

What is a categorical variable?

Back

A categorical variable is a variable that can take on one of a limited, fixed number of possible values, assigning each individual or other unit of observation to a particular group.