Question: Refer to Exercise 10 regarding sales at Appliance Center Use
Refer to Exercise 10, regarding sales at Appliance Center. Use the seasonal indexes you computed to determine the deseasonalized sales. Determine the linear trend equation based on the quarterly data for the 4 years. Forecast the seasonally adjusted sales for 2014.
Answer to relevant QuestionsRecall Exercise 9 from Chapter 14 and the regression equation to predict job performance. a. Plot the residuals in the order in which the data are presented.b. Test for autocorrelation at the .05 significance level.Listed below is the selling price for a share of PepsiCo Inc. at the close of each year from 1990 to 2012..:.a. Plot the data.b. Determine the least squares trend equation.c. Calculate the points for the years 1995 and ...Sales of roof material, by quarter, for 2007 through 2013, by Carolina Home Construction Inc. are shown below (in $000).a. Determine the typical seasonal patterns for sales using the ratio-to-moving-average method.b. ...Use the variables mean amount per transaction and number of associates to forecast net sales. Are these two independent variables reasonable predictors of net sales? Because all of these variables are associated with time, ...Refer to Exercise 7.a. On the basis of this initial experience, determine the control limits for the range. Plot the experience on a chart.b. Does there seem to be a time when there is too much variation in the temperature?
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