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 slope indicate in a scatter plot?

Back

A positive slope indicates that as one variable increases, the other variable also increases.

Front

What does a negative slope indicate in a scatter plot?

Back

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

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 being plotted.

Front

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

Back

A positive association can be identified when the data points trend upwards from left to right.

Front

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

Back

A negative association can be identified when the data points trend downwards from left to right.

Front

What is the slope of a line in a scatter plot?

Back

The slope of a line in a scatter plot represents the rate of change between the two variables.

Front

What does a slope of zero indicate in a scatter plot?

Back

A slope of zero indicates that there is no change in the dependent variable as the independent variable changes.

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 trends or correlations.

Front

What is a correlation coefficient?

Back

A correlation coefficient is a numerical measure of the strength and direction of the relationship between two variables.