Scatter Plots

Front

What is a scatter plot?

Back

A scatter plot is a type of graph that shows the relationship between two numerical variables by displaying data points on a two-dimensional grid.

Front

What does it mean if a scatter plot has no association?

Back

It means that the ordered pairs in the scatter plot do not show any predictable pattern.

Front

What type of association is indicated by a scatter plot where points trend upwards?

Back

Positive association.

Front

What type of association is indicated by a scatter plot where points trend downwards?

Back

Negative association.

Front

What does a negative correlation indicate?

Back

A negative correlation indicates that as one variable increases, the other variable decreases.

Front

What does a positive correlation indicate?

Back

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

Front

What is an example of a negative correlation?

Back

The relationship between outside temperature and the amount of layers you wear.

Front

What is an example of a positive correlation?

Back

The relationship between hours studied and test scores.

Front

What does it mean if a scatter plot shows no association?

Back

It means there is no relationship between the two variables being plotted.

Front

What is a linear association in a scatter plot?

Back

A linear association occurs when the data points form a straight line, indicating a consistent relationship between the variables.