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(b) A partial output of the regression model is shown in Table 6.6 (where season2 is the Quarter 2 dummy). Use this output to answer
(b) A partial output of the regression model is shown in Table 6.6 (where season2 is the Quarter 2 dummy). Use this output to answer the following questions: i. Mention two statistics (and their values) that measure how well this model fits the training period. ii. Mention two statistics (and their values) that measure the predictive accuracy of this model. iii. After adjusting for trend, what is the average difference between sales in Q3 and sales in QI? iv. After adjusting for seasonality, which quarter (Q1, Q2, Q3 or Q4) has the highest average sales
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