Question: solve d and e plz with full steps Income in million TL at the architectural firm N&C for the last five years was as follows:

solve d and e plz with full steps

Income in million TL at the architectural firm N&C for the last five years was as follows: Income (y ) ty t? YEAR t 2016 2017 2018 2019 2020 SUM 1 2 3 4 5 15 23 28 27 31 33 142 23 56 81 124 165 449 1 4 9 16 25 55 a. What is the forecast for this year, 2020, using a weighted moving average with weights 0.5 (most recent year), 0.3, and 0.2? (2 pts) b. What is the forecast for this year using exponential smoothing with alpha -0.5. If the forecast for 2018 was 25? (4 pts) c. What is the least squares regression equation that shows the best relationship between demand and year? (4 pts) d. What is the forecast for this year using the least squares trendline you found in part c? (2 pts) e. In fact, within a year, incomes changes over four quarters of a year. Over the past five years, the firm's income have averaged 9 units in the first quarter (Q1). 7 units in the second quarter(Q2), 3 units in the third quarter (Q3), and 9.4 units in the fourth quarter(Q4). What are appropriate quarter(seasonal) relatives for this firm's sales? (4 pts) cs Scanned with Can Scanner AB I THI

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