Scatter Plot 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 axis.

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 tends to increase.

Front

What does a negative association in a scatter plot indicate?

Back

A negative association indicates that as one variable increases, the other variable tends to decrease.

Front

What is the line of best fit?

Back

The line of best fit is a straight line that best represents the data on a scatter plot, showing the overall trend.

Front

How can you identify a strong correlation in a scatter plot?

Back

A strong correlation is indicated by data points that are closely clustered around the line of best fit.

Front

What does it mean if a scatter plot has no association?

Back

If a scatter plot has no association, the data points do not show any predictable pattern or relationship.

Front

What is correlation?

Back

Correlation is a statistical measure that describes the extent to which two variables change together.

Front

What is an example of a positive correlation?

Back

An example of a positive correlation is the relationship between hours studied and test scores; generally, more study hours lead to higher scores.

Front

What is an example of a negative correlation?

Back

An example of a negative correlation is the relationship between the amount of gas in a tank and the distance a car can travel; as gas decreases, distance decreases.

Front

What does the slope of the line of best fit represent?

Back

The slope of the line of best fit represents the rate of change between the two variables.