Scatter Plots Review

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 grid.

Front

What does the line of best fit represent in a scatter plot?

Back

The line of best fit represents the trend in the data, showing the general direction that the data points follow.

Front

What is a positive correlation?

Back

A positive correlation means that as one variable increases, the other variable also tends to increase.

Front

What is a negative correlation?

Back

A negative correlation means that as one variable increases, the other variable tends to decrease.

Front

What does no correlation mean?

Back

No correlation means that there is no apparent relationship between the two variables.

Front

What is a cluster in a scatter plot?

Back

A cluster is a group of points that are close together in a scatter plot.

Front

How can you determine the strength of a correlation?

Back

The strength of a correlation can be determined by how closely the data points fit the line of best fit; a tighter fit indicates a stronger correlation.

Front

What is the purpose of using scatter plots?

Back

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

Front

What does it mean if a scatter plot has a downward slope?

Back

A downward slope indicates a negative correlation between the two variables.

Front

What does it mean if a scatter plot has an upward slope?

Back

An upward slope indicates a positive correlation between the two variables.