Solved by verified expert :113. Given the data below, develop a forecast for
period 6 using a four-period weighted moving average and weights of .4, .3, .2
and .1
114. Use linear regression to develop a predictive
model for demand for burial vaults based on sales of caskets.
115. Given the following data, develop a linear
regression model for y as a function of x.
116. Given the following data, develop a linear
regression model for y as a function of x.
117. Develop a linear trend equation for the data on
bread deliveries shown below. Forecast deliveries for period 11 through 14.
Multiple Choice Questions
118. The president of State University wants to
forecast student enrollments for this academic year based on the following
historical data:
What is the forecast for this year using the naive approach?
A. 18,750
B. 19,500
C. 21,000
D. 22,000
E. 22,800
Essay Questions
119. Demand for the last four months was:
A) Predict demand for July using each of these methods:
1) a 3-period moving average
2) exponential smoothing with alpha equal to .20 (use a naïve forecast for
April for your first forecast)
B) If the naive approach had been used to predict demand for April through
June, what would MAD have been for those months?
120. A manager wants to choose one of two forecasting
alternatives. Each alternative was tested using historical data. The resulting
forecast errors for the two are shown in the table. Analyze the data and
recommend a course of action to the manager.
121. A manager uses this equation to predict demand: Yt
= 20 + 4t. Over the past 8 periods, demand has been as follows. Are the results
acceptable? Explain.
