ScatterPlots

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.

Front

What does a positive correlation indicate in a scatter plot?

Back

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

Front

What does a negative correlation indicate in a scatter plot?

Back

A negative correlation indicates that as one variable increases, the other variable tends to decrease.

Front

What does no correlation mean in a scatter plot?

Back

No correlation means there is no apparent relationship between the two variables; changes in one variable do not predict changes in the other.

Front

What type of association is shown when data points form a straight line that slopes upwards?

Back

Positive linear association.

Front

What type of association is shown when data points form a straight line that slopes downwards?

Back

Negative linear association.

Front

What is an example of a situation with no correlation?

Back

The number of siblings a student has and their weight.

Front

What is an example of a situation with a negative correlation?

Back

The outside temperature and the amount of layers you wear.

Front

What is an example of a situation with a positive correlation?

Back

The number of hours studied and test scores.

Front

How can you identify a nonlinear association in a scatter plot?

Back

A nonlinear association is identified when the data points do not form a straight line but instead follow a curved pattern.