Line of best fit Scatterplots - Hobbs

Front

What is a line of best fit?

Back

A line that best represents the data on a scatter plot, showing the trend of the data points.

Front

How do you determine the line of best fit visually?

Back

By drawing a line that has approximately equal numbers of points above and below it.

Front

What does a positive slope in a line of best fit indicate?

Back

As one variable increases, the other variable also increases.

Front

What does a negative slope in a line of best fit indicate?

Back

As one variable increases, the other variable decreases.

Front

What does it mean if there is no line of best fit for a scatter plot?

Back

The data points do not show a clear trend or relationship.

Front

What is the purpose of a line of best fit?

Back

To make predictions about one variable based on the value of another variable.

Front

What is a scatter plot?

Back

A graph that displays values for typically two variables for a set of data.

Front

What is the difference between correlation and causation?

Back

Correlation indicates a relationship between two variables, while causation indicates that one variable directly affects the other.

Front

What does it mean if the points on a scatter plot are tightly clustered around the line of best fit?

Back

It indicates a strong relationship between the two variables.

Front

What does it mean if the points on a scatter plot are widely scattered around the line of best fit?

Back

It indicates a weak relationship between the two variables.