Line of Best Fit with Desmos

A person travels by car. They record their miles driven in a data table. Create a scatter plot and name the line of best fit

• y = 61.93x - 1.79

• y = -1.79x + 61.93

• y = 0.016x + 0.03

• y = 0.03x + 0.016

What is the correlation coefficient?

• 61

• .9995

• 1.78

• -9995

What does a correlation coefficient of .9995 mean?

• strong negative

• weak negative

• strong positive

• no correlation

The line of best fit is y = 61.93x - 1.79. Use the equation to predict how far this person will travel after 10 hours of driving.

• 10 miles

• 617.5 miles

• 0.19 miles

• 500 miles

What is the the line of best fit that best matches the data set?

• y = -2.9x + 5757.3

• y = 2.9x - 5757.3

• y = -5757.3x + 2.9

Which line would be the best line of best fit for this data?

• A) Black

• B) Orange

• C) Red

• D) Blue