Scatter Plots and Line of Best Fit

What is a scatter plot?

• A graph that shows the relationship of two data sets.
• A graph drawn using rectangular bars to show how large each value is.
• A graph that shows information that is connected in some way.
• A graph that shows data changing over time.

Describe the scatter plot

• positive

• negative

• no correlation

• perfect correlation

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D

Which graph represents the best "Line of Best Fit"

• Graph A

• Graph B

• Graph C

• Graph D

Describe the scatter plot

• positive

• negative

• no corerlation

• perfect

The equation of the line of best fit is y= 1/2x +1 How many laps can a bicycle make around the park in 23 minutes?

• 44 laps

• 12 1/2 laps

• 23 laps

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the line of best fit to predict how many chapters would be in a book with 180 pages. 

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

Describe the scatter plot

• positive

• negative

• no correlation

• perfect correlation