To draw: The graph of the given time series data. Also, draw conclusion from it.

Question

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Answer 1

Question

Chapter 18, Problem 30CE

a.

To determine

To draw: The graph of the given time series data. Also, draw conclusion from it.

b.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.3 .

c.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.7 .

d.

To determine

To calculate: The MAD for forecasts using a smoothing coefficient α of 0.4 and a smoothing coefficient α of 0.9 .

e.

To determine

To find: The forecast model that should be chosen.

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Consider the following time series data.

For the Hawkins Company, the monthly percentages of all shipments received on time over the past 12 months are 80, 82, 84, 83, 83, 84, 85, 84, 82, 83, 84, and 83. a. Compute for a 3 month moving average forecast. b. Compute for the exponential smoothing forecast for a=0.2. c. Which provides the better forecast using MSE as the measure of model accuracy? d. What is the forecast for next month?

Find the MSE in part (b) please.

Answer 2

Question

Chapter 18, Problem 30CE

a.

To determine

To draw: The graph of the given time series data. Also, draw conclusion from it.

b.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.3 .

c.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.7 .

d.

To determine

To calculate: The MAD for forecasts using a smoothing coefficient α of 0.4 and a smoothing coefficient α of 0.9 .

e.

To determine

To find: The forecast model that should be chosen.

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Answer 3

Question

Chapter 18, Problem 30CE

a.

To determine

To draw: The graph of the given time series data. Also, draw conclusion from it.

b.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.3 .

c.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.7 .

d.

To determine

To calculate: The MAD for forecasts using a smoothing coefficient α of 0.4 and a smoothing coefficient α of 0.9 .

e.

To determine

To find: The forecast model that should be chosen.

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Answer 4

Question

Chapter 18, Problem 30CE

a.

To determine

To draw: The graph of the given time series data. Also, draw conclusion from it.

b.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.3 .

c.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.7 .

d.

To determine

To calculate: The MAD for forecasts using a smoothing coefficient α of 0.4 and a smoothing coefficient α of 0.9 .

e.

To determine

To find: The forecast model that should be chosen.

Expert Solution & Answer

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Answer 5

Chapter 18, Problem 30CE

a.

To determine

To draw: The graph of the given time series data. Also, draw conclusion from it.

b.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.3 .

c.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.7 .

d.

To determine

To calculate: The MAD for forecasts using a smoothing coefficient α of 0.4 and a smoothing coefficient α of 0.9 .

e.

To determine

To find: The forecast model that should be chosen.

Answer 6

Chapter 18, Problem 30CE

a.

To determine

To draw: The graph of the given time series data. Also, draw conclusion from it.

Answer 7

Chapter 18, Problem 30CE

a.

To determine

To draw: The graph of the given time series data. Also, draw conclusion from it.

Answer 8

b.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.3 .

Answer 9

b.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.3 .

Answer 10

c.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.7 .

Answer 11

c.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.7 .

Answer 12

d.

To determine

To calculate: The MAD for forecasts using a smoothing coefficient α of 0.4 and a smoothing coefficient α of 0.9 .

Answer 13

d.

To determine

To calculate: The MAD for forecasts using a smoothing coefficient α of 0.4 and a smoothing coefficient α of 0.9 .

Answer 14

e.

To determine

To find: The forecast model that should be chosen.

Answer 15

e.

To determine

To find: The forecast model that should be chosen.

Answer 16

Expert Solution & Answer

Answer 17

Expert Solution & Answer

Answer 18

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Answer 19

Ch. 18 - Prob. 1E Ch. 18 - Prob. 2E Ch. 18 - Prob. 3E Ch. 18 - Prob. 4E Ch. 18 - Prob. 1SR Ch. 18 - Prob. 5E Ch. 18 - Prob. 6E Ch. 18 - Prob. 7E Ch. 18 - Prob. 8E Ch. 18 - Prob. 2SR

To draw: The graph of the given time series data. Also, draw conclusion from it.

To draw: The graph of the given time series data. Also, draw conclusion from it.

To calculate: All possible forecasts using a smoothing coefficient α of 0.3 .

To calculate: All possible forecasts using a smoothing coefficient α of 0.7 .

To calculate: The MAD for forecasts using a smoothing coefficient α of 0.4 and a smoothing coefficient α of 0.9 .

To find: The forecast model that should be chosen.

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Chapter 18 Solutions