Scatter Plots and Associations

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 does 'no association' mean in the context of a scatter plot?

Back

No association means that there is no discernible relationship between the two variables; changes in one do not affect the other.

Front

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

Back

A negative relationship can be identified when the data points slope downwards from left to right.

Front

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

Back

A positive relationship can be identified when the data points slope upwards from left to right.

Front

What is an example of variables that would likely show a positive association?

Back

The number of notebooks bought and the total cost.

Front

What is an example of variables that would likely show a negative association?

Back

The number of miles driven and the amount of gas remaining in the tank.

Front

What type of variables are typically represented in a scatter plot?

Back

Quantitative variables, which can be measured and expressed numerically.

Front

What is the purpose of using a scatter plot?

Back

To visually represent the relationship between two variables and to identify patterns or trends.