[Q47: Only answer if you ABSOLUTELY know how to solve AND the answers match up (

Question

[Q47: 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) = 3.725*(weight) + 2.545. If a package you want to ship weighs 43.17 ounces, what would you expect to pay for the shipment?

Question options:

1)

2)

3)

4)

5)

163.35

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) = 0.958*(weight) + 5.589. If a package you want to ship weighs 10.512 ounces and the true cost of the shipment is $8.829, the residual is -6.83. Interpret this residual in terms of the problem.

Question 7 options:

1)

2)

3)

4)

5)

1)

160.81

2)

10.91

3)

113.59

4)

We do not know the observations in the data set, so we cannot answer that question.

5)

163.35

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) = 0.958*(weight) + 5.589. If a package you want to ship weighs 10.512 ounces and the true cost of the shipment is $8.829, the residual is -6.83. Interpret this residual in terms of the problem.

Question 7 options:

1)

The weight is 6.83 points larger than than what we would expect.

2)

The cost of delivery is 6.83 dollars greater than than what we would expect.

3)

The cost of delivery is 8.829 dollars less than than what we would expect.

4)

The weight is 6.83 points less than than what we would expect.

5)

The cost of delivery is 6.83 dollars less than than what we would expect.

Explanation / Answer

47)

a) Answer(5) (163.35)

Given (cost of delivery) = 3.725*(weight) + 2.545.

If ship weighs 43.17 ounces then

(cost of delivery) = 3.725*(43.17) + 2.545. = 163.35

b) (5)

The residual is the actual (observed) value minus the predicted value. If you have a negative value for a residual it means the actual value was less than the predicted value

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