A tanning parlor located in a major shopping center near a large New England city has the
Question:
a. Construct a table in which you show the actual data (given in the table), the centered moving average, the centered moving-average trend, the seasonal factors, and the cycle factors for every quarter for which they can be calculated in years 1 through 4.
b. Determine the seasonal index for each quarter.
c. Do the best you can to project the cycle factor through 2008.
d. Make a forecast for each quarter of 2008.
e. The actual numbers of customers served per quarter in 2008 were 6.8, 5.1, 4.7, and 6.5 for quarters 1 through 4, respectively (numbers are in hundreds). Calculate the RMSE for 2008.
f. Prepare a time-series plot of the actual data, the centered moving averages, the long-term trend, and the values predicted by your model for 2004 through 2008 (where data are available).
Step by Step Answer:
Business Forecasting with Forecast X
ISBN: 978-0073373645
6th edition
Authors: Holton wilson, barry keating, john solutions inc