[Q56: Only answer if you ABSOLUTELY know how to solve AND the answers match up (

Question

[Q56: Only answer if you ABSOLUTELY know how to solve AND the answers match up ((tired of getting wrong replies.) So, please make sure you’re really certain. [It’s appreciated.])

Really Explain EACH STEP, including any formulas you used (& how to use the formula), and explain how to compute with a TI-84 preferably/when possible.]

NO JUST POSTING THE ANSWER WITH NO EXPLANATION/ NO CONVINCING EXPLANATION, I WILL ASSUME IT'S WRONG, AS HAS BEEN THE CASE BEFORE. IF YOU'RE THIS TYPE, MOVE ON.

Question

Suppose that for a typical FedEx package delivery, the cost of the shipment is a function of the weight of the package. You find out that the regression equation for this relationship is (cost of delivery) = 0.134*(weight) + 5.889. If a package you want to ship weighs 24.573 ounces and the true cost of the shipment is $11.243, what is the residual?

Question options:

1)

2)

3)

4)

5)

13.33

Question

Suppose that for a typical FedEx package delivery, the cost of the shipment is a function of the weight of the package. You find out that the regression equation for this relationship is (cost of delivery) = 0.07*(weight) + 6.041. If a package you want to ship weighs 12.826 ounces and the true cost of the shipment is $5.502, what is the residual?

Question options:

1)

2)

3)

4)

5)

1)

2.061

2)

15.391

3)

-13.33

4)

-2.061

5)

13.33

Question

Suppose that for a typical FedEx package delivery, the cost of the shipment is a function of the weight of the package. You find out that the regression equation for this relationship is (cost of delivery) = 0.07*(weight) + 6.041. If a package you want to ship weighs 12.826 ounces and the true cost of the shipment is $5.502, what is the residual?

Question options:

1)

-1.437

2)

5.887

3)

7.324

4)

1.437

5)

-7.324

Explanation / Answer

1) Predicted value of true cost of the shipment if ship weighs 24.573 ounces

y = 0.134*24.573+5.889 = $9.182

residual = $11.243-$9.182 = 2.061

Option A is Correct

2)

Predicted value of true cost of the shipment if ship weighs 12.826 ounces

y = 0.07*12.826+6.041 = $6.939

residual = $5.502-$6.939 = -1.437

Option A is Correct

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