Question: he help here is the data points Consider the quarterly time series of smartphone sales in Quarterly Salesias If there is a seasonal pattern in

he help

here is the data

points Consider the quarterly time series of smartphone sales in Quarterly Salesias If there is a seasonal pattern in the time series, we a multiple regression model with dummy variables as follows to develop an equation to account for seasonal effects in the data. Round the newers to two decimal places if needed. Ourl - 1 if quarter 1, otherwise 012-1 il quarter 2.0 otherwise: Otr3 - 1 il quarter 3.0 otherwise 2. What is the value of y-intercept? 3. What is the coefficient for Qu2? 4. Compute the quarterly forecast for next year based on the model developed in part b. Quarter forecast Quarter 2 forecast Quarter forecast Quarter 4 force Home Insert Page Layout Formulas Data X Cut Copy Calibri (Body) - 11 A- A Paste BIU Y Format N Activate Office to Create and Edit Buy Office or sign in to H19 fx B D E F Quarter Sales 2 1 423 3 Year 1 2 826 992 388 1 442 Year 2 2 856 3 924 4 1 Nm 4 5 6 4 2 3 4 369 511 873 954 398 7 8 9 10 11 Year 3 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 22 28 29 30 31 32 1

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