2 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 respondents in a two-way table?

Back

To find the total number of respondents, sum all the values in the table.

Tags

CCSS.8.SP.A.4

Front

What is the probability of an event?

Back

The probability of an event is the number of favorable outcomes divided by the total number of possible outcomes.

Tags

CCSS.7.SP.C.7A

Front

How do you find the probability of selecting a specific category from a two-way table?

Back

Divide the number of respondents in that category by the total number of respondents.

Tags

CCSS.8.SP.A.4

Front

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

Back

It indicates that more respondents preferred or belong to that category compared to others.

Tags

CCSS.8.SP.A.4

Front

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

Back

Percentage = (Number of respondents in the category / Total number of respondents) x 100.

Tags

CCSS.8.SP.A.4

Front

How can you identify missing values in a two-way table?

Back

By using the totals of rows and columns, you can deduce missing values through subtraction.

Tags

CCSS.8.SP.A.4

Front

What is the significance of the marginal totals in a two-way table?

Back

Marginal totals provide the sums of each row and column, helping to understand the overall distribution of data.

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 probabilities to understand 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.