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.

Front

What does a positive correlation indicate?

Back

A positive correlation means that as one variable increases, the other variable also increases.

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two quantitative variables, with points representing individual data points.

Front

What does a correlation coefficient of 1 indicate?

Back

A correlation coefficient of 1 indicates a perfect positive linear relationship between two variables.

Front

What does a correlation coefficient of -1 indicate?

Back

A correlation coefficient of -1 indicates a perfect negative linear relationship between two variables.

Front

What does a correlation coefficient of 0 indicate?

Back

A correlation coefficient of 0 indicates no linear relationship between the two variables.

Front

How do you interpret a scatter plot with a positive trend?

Back

A scatter plot with a positive trend shows that as one variable increases, the other variable tends to increase as well.

Front

What is the purpose of using two-variable statistics?

Back

Two-variable statistics are used to analyze the relationship between two different variables and understand how they interact.

Front

What is the formula for calculating relative frequency?

Back

Relative Frequency = (Number of favorable outcomes) / (Total number of outcomes) * 100%.

Front

What is an example of a positive correlation in real life?

Back

An example of a positive correlation is the relationship between study time and test scores; generally, more study time leads to higher test scores.