Two Way Tables and Association

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.

Front

What is qualitative data?

Back

Qualitative data refers to non-numerical information that describes characteristics or qualities, such as colors, names, or labels.

Front

What is quantitative data?

Back

Quantitative data refers to numerical information that can be measured and expressed as a number, such as height, weight, or test scores.

Front

What does it mean to find an association in data?

Back

Finding an association in data means identifying a relationship or correlation between two variables, indicating that changes in one variable may relate to changes in another.

Front

How do you calculate probability?

Back

Probability is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Front

What is the probability of an event?

Back

The probability of an event is a measure of the likelihood that the event will occur, expressed as a number between 0 and 1.

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, representing different categories or groups.

Front

What is a frequency distribution?

Back

A frequency distribution is a summary of how often each value occurs in a dataset, often displayed in a table or graph.

Front

What does it mean if two variables are independent?

Back

If two variables are independent, it means that the occurrence of one variable does not affect the occurrence of the other variable.

Front

What is a marginal frequency in a two-way table?

Back

Marginal frequency refers to the total counts of each category in a two-way table, found by summing the rows or columns.