Scatter Plots

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 in a scatter plot indicate?

Back

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

Front

What does a negative correlation in a scatter plot indicate?

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 is the purpose of using a scatter plot?

Back

The purpose of using a scatter plot is to visually represent the relationship between two variables and to identify patterns or trends.

Front

How can you identify a positive correlation in a scatter plot?

Back

A positive correlation can be identified by a pattern where points slope upwards from left to right.

Front

How can you identify a negative correlation in a scatter plot?

Back

A negative correlation can be identified by a pattern where points slope downwards from left to right.

Front

What does a scatter plot with no correlation look like?

Back

A scatter plot with no correlation shows points that are randomly scattered without any discernible pattern.

Front

What is an example of a positive correlation?

Back

An example of a positive correlation is the relationship between hours studied and exam scores, where more study time generally leads to higher scores.

Front

What is an example of a negative correlation?

Back

An example of a negative correlation is the relationship between the number of absences and final exam scores, where more absences typically lead to lower scores.