Scatter Plots and Line of Best Fit Review

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

• positive

• negative

• none

• all of the above

Which graph shows the best trend line for the scatter plot?

• Graph A

• Graph B

• Graph C

• Graph D

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

• A

• B

• C

• D

The scatterplot shows the results of study comparing the length of a person's foot to the width.

How can you describe the correlation of the within the context of the situation?

• There is no correlation.

• As the length of a person's foot increases, the width increases.

• As the length of the person's foot increases, the width decreases.

• The tall a person is, the bigger their shoe size will be.

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

• A

• B

• C

• D

Tags

Scatter Plots

Line of Best Fit

Statistics

• y = x ; 20
• y = x + 2 ; 22
• y = 2 ; 2
• y = 0.5x + 2 ; 12

Imagine you're helping Zoe, Mia, and Isla find the perfect line of best fit for their scatter plot project. Which of the following lines do you think will earn them an A+?

• A

• B

• C

• D

Answer explanation

Line C is the best choice as it closely follows the trend of the data points in the scatter plot, minimizing the distance from the points to the line, which is essential for a strong line of best fit.

Which of the following could be a possible line of best fit for the data?

• y = 3x + 0

• y = 5/6x + 490

• y = -2x + 470

• non linear

Which equation best represents the line of best fit shown below?

• y = 4x

• y = 6x + 4

• y = 3x + 4

• y = 4x + 4

In the scatter plot, does the image shows a "Line of Best Fit"?

• Yes

• No