Correlation Line of Best Fit

Determine the Correlation Coefficient and decide whether it is weak, moderate, or strong.

• 0.80 weak

• 0.90 moderate

• 0.80 strong

• 0.90 strong

What is the correlation?

• Non-Linear Correlation

• Postive, Linear Correlation

• Negative, Linear Correlation

• No Correlation

What is the line of best fit?

• f(x)= 5x+1.82

• cannot be determined

• f(x)= 1.82x + 5.02

• f(x)= 1.1x + 4.2

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

• 44 laps

• 12 1/2 laps

• 20

• 23

What is the correlation?

• Non-Linear Correlation

• Postive, Linear Correlation

• Negative, Linear Correlation

• No Correlation

What type of correlation is when one value is increasing, then the other value is decreasing?

• postive

• negative

• none

• cannot be determined

What type of correlation has one value increasing as the other value is also increasing?

• postive

• negative

• none

• cannot be determined

Graph has a slope of 1/2 and a y- intercept of 1.  Write the equation in slope - intercept form

• y = 1x+1/2

• y = 1/2x + 1

Tags

CCSS.8.EE.B.5

Find the equation of the line of best fit for this table.

• y = -2.28x + 51.08

• y = 51.08x - 2.28

• y = 0.06x - 0.26

• y = -2.28x - 0.26

Find the equation of the line of best fit for this table.

• y = -0.18x + 6.47

• y = 6.47x - 0.18

• y = 0.04x - 0.19

• y = -0.18x - 0.19