Line of Best Fit Flashcard

Front

Which sentence describes the relationship shown on this scatter plot? Options: The more time spent training, the longer it takes to run 100 m.  , As the time spent training increases, the time to run 100 m decreases. , As the time spent training decreases, the time to run 100 m decreases. 

Back

As the time spent training increases, the time to run 100 m decreases. 

Front

Predict the number of chapters in a book with 180 pages using the trend line from a scatter plot showing the relationship between chapters and pages.

Back

18 chapters

Front

Which sentence describes the relationship shown on this scatterplot? Options: As the temperature decreases, the visitors increase. , As the temperature increases, the number of visitors increases. , As the visitors increase, the temperature decreases. , No correlation

Back

As the temperature increases, the number of visitors increases. 

Front

Select the statement that best describes the line. Options: The line is the line of best fit., The line is NOT a line of best fit because it does not pass through two points., The line is NOT a line of best fit because it does not go through the middle of the data set., The line is NOT a line of best fit because it does not go through the origin.

Back

The line is NOT a line of best fit because it does not go through the middle of the data set.

Front

The red line represents the line of best fit for the scatter plot. How many ice cream sales are expected if the temperature is 90°? Options: 55, 0, 103, 100

Back

55

Front

Which line represents the line of best fit for the scatter plot? Options: A, B, C, D

Back

C

Front

What is a line of best fit used for?

Back

To make predictions

Front

What is the y-intercept?

Back

3

Front

What type of association (correlation) does this graph have?

Back

positive

Front

What would be the correlation between study time and test grades? Options: positive, negative, none, cannot be determined

Back

positive