Question: Excel File Edit View Insert Format Tools Data AutoSave OFF 8. Quarter Insert Home to A V Draw Page Layout Tell me Conditional Formatting 2

Excel File Edit View Insert Format Tools Data
Excel File Edit View Insert Format Tools Data
Excel File Edit View Insert Format Tools Data
Excel File Edit View Insert Format Tools Data AutoSave OFF 8. Quarter Insert Home to A V Draw Page Layout Tell me Conditional Formatting 2 Format as Table Alignment Number Cell Styles v Clipboard Font H19 B D G H Year 1 Sales 423 826 992 388 442 856 924 369 511 873 954 398 Quarter 1 2 3 4 1 2 3 4 1 2 3 4 Year 2 10 Year 3 12 13 14 15 16 17 Sheet1 4. Compute the quarterly forec Quarter 1 forecast Quarter 2 forecast - Quarter 3 forecast = Quarter 4 forecast = Questions 12 points Save Consider the quarterly time series of smartphone sales in Ordy Salcs.xlsx If there is a seasonal pattern in the time series, use a multiple regression model with dummy variables as follows to develop an equation to account for seasonal effects in the data Round the answers to two decimal places if needed. Qul - 1 t quarter 10 otherwe; Qu2 - 1 il qurter 2,0 otherwise; 013-1 if quarter 3.0 otherwise 2. What is the value of y-intercept? 3. What is the coefficient for Our2 4. Compute the quarterly forecasts for next year based on the model developed in part b. Quarter forecast Quarter 2 forecast Quarter forecast Quarter 4 forecast Quarterly Sales (x Loe ety W P 12 0 A B C D E F G H 1 2 3 Year 1 2 3 5 6 7 Quarter 1 2 3 4 1 2 3 4 1 2 3 4 N 000 Sales 423 826 992 388 442 856 924 369 511 873 954 398 Year 2 Year 3 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35

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