Scatter Plot & Association

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 association in a scatter plot indicate?

Back

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

Front

What does a negative association in a scatter plot indicate?

Back

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

Front

What is correlation?

Back

Correlation is a statistical measure that describes the extent to which two variables change together.

Front

What is a positive correlation?

Back

A positive correlation occurs when both variables increase or decrease together.

Front

What is a negative correlation?

Back

A negative correlation occurs when one variable increases while the other decreases.

Front

What does it mean if there is no correlation between two variables?

Back

It means that there is no predictable relationship between the changes in the two variables.

Front

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

Back

A positive association is identified when the data points slope upwards from left to right.

Front

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

Back

A negative association is identified when the data points slope downwards from left to right.

Front

What is the purpose of using scatter plots?

Back

Scatter plots are used to visually represent the relationship between two variables and to identify patterns or trends.