Draw the time-series plot for the commodity futures index for 10-week period and identify the pattern.

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Answer 1

Question

Chapter 8, Problem 15P

(a)

To determine

Draw the time-series plot for the commodity futures index for 10-week period and identify the pattern.

(b)

To determine

Calculate an exponential smoothing coefficient α that results in smaller MSE using trial or error method.

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The following table reports the percentage of stocks in a portfolio for nine quarters: a. Construct a time series plot. What type of pattern exists in the data?b. Use trial and error to find a value of the exponential smoothing coefficient a thatresults in a relatively small MSE.c. Using the exponential smoothing model you developed in part b, what is the forecastof the percentage of stocks in a typical portfolio for the second quarter of year 3?

For the Texas Shipping Company, the monthly percentages of all shipments received on time over the past 12 months are 82, 86, 87, 89, 84, 85, 84, 86, 75, 95, 90, and 92. a. Construct a time series plot (you can include it in the work file question at the end, not here). Identify what type of pattern, if any, exists in the data? Compare the three-month moving average forecast with an exponential smoothing forecast for alpha= 0.25 and answer the following: b. MSE for 3-month moving average method c. MSE for exponential-smoothing method : d. Which method should be preferred? Answer "3-month MA" or "Exponential Smoothing": e. What is the forecast for next month using the preferred method?

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Answer 2

Question

Chapter 8, Problem 15P

(a)

To determine

Draw the time-series plot for the commodity futures index for 10-week period and identify the pattern.

(b)

To determine

Calculate an exponential smoothing coefficient α that results in smaller MSE using trial or error method.

Expert Solution & Answer

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Answer 3

Question

Chapter 8, Problem 15P

(a)

To determine

Draw the time-series plot for the commodity futures index for 10-week period and identify the pattern.

(b)

To determine

Calculate an exponential smoothing coefficient α that results in smaller MSE using trial or error method.

Expert Solution & Answer

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Answer 4

Question

Chapter 8, Problem 15P

(a)

To determine

Draw the time-series plot for the commodity futures index for 10-week period and identify the pattern.

(b)

To determine

Calculate an exponential smoothing coefficient α that results in smaller MSE using trial or error method.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 5

Chapter 8, Problem 15P

(a)

To determine

Draw the time-series plot for the commodity futures index for 10-week period and identify the pattern.

(b)

To determine

Calculate an exponential smoothing coefficient α that results in smaller MSE using trial or error method.

Answer 6

Chapter 8, Problem 15P

(a)

To determine

Draw the time-series plot for the commodity futures index for 10-week period and identify the pattern.

Answer 7

Chapter 8, Problem 15P

(a)

To determine

Draw the time-series plot for the commodity futures index for 10-week period and identify the pattern.

Answer 8

(b)

To determine

Calculate an exponential smoothing coefficient α that results in smaller MSE using trial or error method.

Answer 9

(b)

To determine

Calculate an exponential smoothing coefficient α that results in smaller MSE using trial or error method.

Answer 10

Expert Solution & Answer

Answer 11

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Answer 12

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Answer 13

Ch. 8 - Consider the following time series data: Using...Ch. 8 - Refer to the time series data in Problem 1. Using...Ch. 8 - Problems 1 and 2 used different forecasting...Ch. 8 - Consider the following time series data: Compute...Ch. 8 - Consider the following time series...Ch. 8 - Consider the following time series...Ch. 8 - Refer to the gasoline sales time series data in...Ch. 8 - Prob. 8P Ch. 8 - Prob. 9P Ch. 8 - Prob. 10P

Draw the time-series plot for the commodity futures index for 10-week period and identify the pattern.

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Draw the time-series plot for the commodity futures index for 10-week period and identify the pattern.

Calculate an exponential smoothing coefficient α that results in smaller MSE using trial or error method.

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