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 negative association in a scatter plot indicate?

Back

A negative association indicates that as one variable increases, the other variable decreases.

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 increases.

Front

What is a strong positive linear association?

Back

A strong positive linear association means that the data points closely follow a straight line with a positive slope.

Front

What is a weak positive linear association?

Back

A weak positive linear association means that the data points follow a general upward trend but are more spread out from a straight line.

Front

What is a strong negative linear association?

Back

A strong negative linear association means that the data points closely follow a straight line with a negative slope.

Front

What is a weak negative linear association?

Back

A weak negative linear association means that the data points follow a general downward trend but are more spread out from a straight line.

Front

What does 'no association' mean in a scatter plot?

Back

'No association' means that there is no discernible relationship between the two variables; the data points are scattered randomly.

Front

What is the difference between linear and nonlinear relationships?

Back

Linear relationships can be represented by a straight line, while nonlinear relationships cannot and may curve or change direction.

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add a percent sign.