Read Linear M B

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

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

• A plane ride costs $0.136 (13 cents)

• For every 1 mile flown, the cost goes up  $ 0.136 dollars (13 cents)

• For every 1 mile flown, the cost goes up $74

• Every hamburger costs $1.40

• Every hamburger costs $1.90

• Every hamburger costs $2.90

• Every topping adds $1.40 to the cost of the hamburger

• A hamburger with 0 toppings costs $1.90

• Every hamburger costs $1.90

• A hamburger with 1.40 toppings costs $1.90

• Every topping adds $1.40 to the cost of the hamburger

• m is 2.95

• Mr. Fisher has to spend $4.95

• For every 1 roomate who wants ice cream, the cost goes up $2.95.

• For every 1 roommate who wants ice cream, the cost goes up $4.95

• If no roommates want ice cream, Mr. Fisher is going to spend $4.95 on himself.

• If no roommates want ice cream, Mr. Fisher is going to spend $2.95

• For every 1 roomate who wants ice cream, the cost goes up $2.95.

• For every 1 roommate who wants ice cream, the cost goes up $4.95

Estimate the correlation coefficient for this scatterplot.

• r = 1.2

• r = 0.89

• r = 0

• r = -0.89

Estimate the correlation coefficient for this scatterplot.

• r = -0.9

• r = 1

• r = 0.9

• r = -1