In: Advanced Math
I need answers for Chapter 5 Problem 28. Render ISBN # 13: 978-0-13-45316-1. Problem Reads: sales of industrial vacuum cleaners at R. Lowenthal supply Co. over the past 13 months are as follows: sales ($1,000s) Month. First row is 11 sales Month January. Need the following a) using a moving average with three periods, determine the demand for vacuum cleaners for next Feb. also (B), (C), (d) answers? this problem can be found on p. 179. in textbook Quantitative Analysis for Management 13 th. ed. Render. Here is a problem: Sales of industrial vacuum cleaners at R. Lowenthal Supply co. over the past 13 months are as follows. Heading: Monthly Sales are in ($1,000s - Month). January Sales (11) ($1,000s) February Sales (14) March Sales (16) April (10) May (15) June (17) July (11) August (14) September (17) October (12) November (14) December (16) January (11). Question (a). Using a moving average with three periods, determine the demand for vacuum cleaners for next February. (b) Using a weighted moving average with three periods, determine the demand for vacuum cleaners for February. Use 3, 2, and 1 for the weights of the most recent, second most recent, and third most recent periods, respectively. For example, if you were forecasting the demand for February, November would have a weight of 1, December would have a weight of 2, and January would have a weight of 3. (c) Evaluate the accuracy of each of these methods. (d) What other factors might R. Lowenthal consider in forecasting sales?