I need to know how these problems work.

mm; . Snesnshwt Gimme +Mdm DAT 473 A Fall 2020 Test: Exam 3 emcee 3g EdiIELCveale v Q Share Eliyah Atkins 6 | 10/25/20 8:44 PM Time Remamlng: 01:29:11 Submit Test This Question: 1 pt The Boxer Company has been in business since 1998. The sales Quarter data on the right are recorded by quarter for the years 2010-2012. Winter 10 The managers at the company wish to determine the seasonal Spring 10 indexes for each quarter during the year. The rst step in the process Summer 10 is to remove the seasonal and random components. To do this, they Fall 10 will begin by computing a four-period moving average. They then Winter 11 compute the centered moving average. What is the next step in Spring 11 applying the multiplicative model? Summer 11 Fall 11 Winter 12 Sprino 12 { 6 of 20 (0 complete) V E] 0A. 05. oc. on. Compute the grand mean. Normalize the data, Compute the ratio-tomoving average value. Divide the centered moving average by the forecasted value. Click to select your answer. I. P Type hereto Search -'A-- This Test: 20 pts possible 1} Sales 50 70 100 60 60 70 120 80 70 90 1 e 4 > -_.. sum _ H o- e a a II I mammal \f