Having a hard time with this question set.

Below you are given the rst ve values of a quarterly time series of sales. Year Quarter Time Series Value Yr 1 1 36 2 24 3 16 4 20 2 1 44 21. Refer to data above. When a naive method is used, what is the forecast on the sales in Quarter 2 of Year 2. a. 20 b. 44 c. 27 d. 30 22. Refer to data in Q21. When a three-quarter moving average is used, what is the forecast on the sales in Quarter 2 of Year 2. a. 20.5 b. 44.3 c. 26.7 d. 30.2 23. Refer to data in Q21. When a three-quarter weighted moving average (W1: 0.5, W2 = 0.3, and W3 = 0.2) is used, what is the forecast on the sales in Quarter 2 of Year 2. (Hint: Ft+1 = W1Dt + W2D (1-1) + W3D (: 2) ) a. 24.4 b. 30.2 c. 22.8 d. 31.2 24. Refer to data in Q21. When an exponential smoothing model is used with a smoothing parameter alpha of 0.30 and a Ql-Year 2 forecast is 20, what is the forecast on the sales in Quarter 2 of Year 2. (Hint: Fm = aYt + (1 a)F,) a. 27.2 b. 29.2 c. 31.2 d. 33.2 25. Refer to data in Q21. The equation for the trend line of quarterly sales is Ft = 24.4 + 1.2t. What is the forecast on the sales in Quarter 2 of Year 2. (Hint: t=1 for Q1 -Year 1, 2 for QZ-year I, and so on) a. 3 1 .2 b. 30.4 c. 32.2 d. 3 1 .6