STAT TECH IN BUSINESS & ECON AC
STAT TECH IN BUSINESS & ECON AC
18th Edition
ISBN: 9781264731657
Author: Lind
Publisher: MCG
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Chapter 18, Problem 10E

a.

To determine

To draw: The graph of the provided time series data and draw the observations.

b.

To determine

To calculate: All possible forecasts using a smoothing coefficient α of 0.8 .

c.

To determine

To calculate: The MAD

d.

To determine

To calculate: The forecast demand for period 11 using a smoothing coefficient α of 0.8 .

e.

To determine

To calculate: The error associated with eleventh-period forecast.

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Please help me understand this problem show me how to do the work in excel. Question/ Use the data that i pasted below to answer this question. United Dairies, Inc., supplies milkto several independent grocers throughout Dade County, Florida. Managers at UnitedDairies want to develop a forecast of the number of half gallons of milk sold per week.a. Construct a time series plot. What type of pattern exists in the data?b. Use exponential smoothing with α = 0.4 to develop a forecast of demand for week13. What is the resulting MSE?c. Use a moving average with k = 4 to develop a forecast of demand for week 13.What is the resulting MSE?d. Using the above forecasting techniques, what is the forecasts for the next timeperiod? Week Sales 1 2750 2 3100 3 3250 4 2800 5 2900 6 3050 7 3300 8 3100 9 2950 10 3000 11 3200 12 3150
No need to answer everything! Just plot the actual visitors and the forecasts. Compare the accuracy of the forecasts in the 1985 to 1990 period with those subsequent to that period.
Hi, Could you please help me. I can't get on the X-axis the correct years to show up in minitab. Thank you!
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