Final Exam Review

Front

What is a negative correlation?

Back

A negative correlation is a relationship between two variables in which one variable increases as the other decreases.

Front

What does a positive correlation indicate in a scatterplot?

Back

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

Front

What is a statistical question?

Back

A statistical question is one that anticipates variability in the data and can be answered by collecting data.

Front

What is the relationship between practice hours and debate wins according to the scatterplot?

Back

The more hours the debate team practices, the more debates they win.

Front

What does a scatterplot represent?

Back

A scatterplot represents the relationship between two quantitative variables.

Front

How do you determine if there is no correlation in a scatterplot?

Back

There is no correlation if the points in the scatterplot do not show any discernible pattern or trend.

Front

What is the definition of a positive relationship in a graph?

Back

A positive relationship in a graph means that as one variable increases, the other variable also tends to increase.

Front

How can you identify the number of students who do not snowboard from a survey?

Back

By subtracting the number of students who snowboard from the total number of students surveyed.

Front

What is the importance of understanding correlation in statistics?

Back

Understanding correlation helps in predicting the behavior of one variable based on the behavior of another.

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 exam scores; more study time often leads to higher scores.