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 scatter plots?

Back

'No association' means that there is no discernible relationship between the two variables being plotted.

Front

What is an outlier in a scatter plot?

Back

An outlier is a data point that differs significantly from other observations in the dataset.

Front

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

Back

A positive association can be identified when the points tend to rise 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 points tend to fall from left to right.

Front

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

Back

A cluster of points indicates that there is a concentration of data points in a specific area, suggesting a potential relationship.

Front

What is the purpose of using scatter plots?

Back

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

Front

What is the significance of the correlation coefficient in scatter plots?

Back

The correlation coefficient quantifies the strength and direction of the relationship between two variables.