18. If y = 232, and trend component is 255, what is the seasonally adjusted value for the first quarter given the following seasonal indices (assume multiplicative model): 1st quarter: 0.78 = 78% 2nd quarter: 1.02 = 102% 3rd quarter: 1.12 = 112% 4th quarter: 1.08 = 108%(Points : 3) A. 297 B. 12.7 C. 350 D. 1.17 Question 19. 19. In decomposition if the 4th quarter cyclical component is 1.5, trend component is 255, what is the estimated value for 4th quarter if we have a multiplicative model? (Hint: Ignore the irregular component)?Seasonal Index 1st quarter: 0.78 = 78% 2nd quarter: 1.02 = 102% 3rd quarter: 1.12 = 112% 4th quarter: 1.08 = 108%(Points : 3) A. 413 B. 400 C. 453 D. Can not be determined. Question 20.20. Which statistic can be used to determine the 95% confidence limits around a forecast?(Points : 3) A. Twice the mean value of the residuals around the forecast. B. Plus and minus the LBQ value from the Chi-square table. C. Plus and minus twice the p-value of the residuals. D. Plus and minus two SEE.
This question was answered on: May 23, 2022
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