Line of Best Fit Flashcard

Front

What is a line of best fit used for?

Back

To make predictions.

Front

Which of the following lines represents the line of best fit for the scatter plot?

Back

Line C.

Front

Use the trend line to predict how many chapters would be in a book with 180 pages.

Back

18 chapters.

Front

What is the equation of the line of best fit?

Back

Front

What are the coordinates of the outlier?

Back

(9,1).

Front

Define 'line of best fit'.

Back

A line that best represents the data on a scatter plot, used to make predictions.

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

How do you determine the line of best fit visually?

Back

By drawing a line that minimizes the distance from all points to the line.

Front

What is the purpose of using a scatter plot?

Back

To visualize the relationship between two variables.