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 it mean if a scatter plot has no association?

Back

It means that the ordered pairs have no predictable pattern.

Front

What type of association is represented by a scatter plot where points trend upwards from left to right?

Back

Positive linear association.

Front

What type of association is represented by a scatter plot where points trend downwards from left to right?

Back

Negative linear association.

Front

What does a nonlinear association in a scatter plot indicate?

Back

It indicates that the relationship between the variables does not follow a straight line.

Front

How can you determine the age of a tree based on its height using a scatter plot?

Back

By finding the corresponding height on the scatter plot and identifying the associated age.

Front

What does it mean if a scatter plot shows a cluster of points?

Back

It indicates that there is a strong relationship between the two variables.

Front

What is the purpose of using scatter plots in data analysis?

Back

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

Front

What is a positive association in a scatter plot?

Back

A positive association occurs when an increase in one variable corresponds to an increase in the other variable.

Front

What is a negative association in a scatter plot?

Back

A negative association occurs when an increase in one variable corresponds to a decrease in the other variable.