Answered step by step
Verified Expert Solution
Question
1 Approved Answer
28. Regression analysis was used to estimate the following seasonal forecasting equation: St=124+18Dtl46Dtz28Dti+2.5t Dtl is a dummy variable that is equal to one in the
28. Regression analysis was used to estimate the following seasonal forecasting equation: St=124+18Dtl46Dtz28Dti+2.5t Dtl is a dummy variable that is equal to one in the first quarter and zero otherwise; D22 is a dummy variable that is equal to one in the second quarter and zero otherwise; and D13 is a dummy variable that is equal to one in the third quarter and zero otherwise. Forecast the level of sales in the fourth (4th) quarter of time period 10. (A) 149 (B) 180 (C) 205 (D) None of the answers is correct. 29. Regression analysis was used to estimate the following linear trend equation: St=26+10t The ratio-to-trend method was used to calculate 0.75,0.95,1.10, and 1.20 , which are the seasonal adjustment factors for quarters 1,2,3, and 4 , respectively. Use this information to determine the forecast value for the third (3rd) quarter of time period 7. (A) 105.6 (B) 48.4 (C) 45.1 (D) None of the answers is correct. 30. Regression analysis was used to estimate the following seasonal forecasting equation: St=124+18Dt146Dt228Dt3+2.5t Dt1 is a dummy variable that is equal to one in the first quarter and zero otherwise; D2 is a dummy variable that is equal to one in the second quarter and zero otherwise; and D13 is a dummy variable that is equal to one in the third quarter and zero otherwise. Forecast the level of sales in the second (2nd) quarter of time period 10. (a) 195 (b) 170 (c) 103 (d) None of the answers is correct
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started