Linear Which Correlation Best Describes The Strength Of The Linear Association Table

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

• y = 1.5x + 12

• y = 12x + 1.5

• y = 0.67x - 8

• y = -8x + 0.67

Which with is the line of best fit?

• Black

• Orange

• Red

• Blue

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A

• B

• C

• D

The linear regression equation 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

Which best describes the table of data?

• Weak Negative Correlation

• Strong Negative Correlation

• Weak Positive Correlation

• Strong Positive Correlation

Create an equation that best describes the relationship shown in the table.

• y = 0.97x + 4

• y = 0.97x + 0.95

• y = 22.3x + 4

• y = 4x + 22.3

What does the correlation coefficient for the data indicate about the strength of the linear association?

• strong negative

• weak negative

• weak positive

• strong positive

What is the line of best fit for this data?

• y = 0.50x + 0.71

• y = 9.39x + 72.98

• y = 0.71x +9.39

• y = 72.98x + 9.39

What is the correlation coefficient for this data?

• 9.39

• 72.98

• 0.50

• 0.71

On the TI 84+ CE, what must you do before the correlation coefficient, r, will show up?

• Press mode & turn STAT DIAGNOSTISCS On

• Press 2nd stat to turn on r

• Press alpha Y =,

  option 4

• Press math 1