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Exam 11: Time Series Forecasting

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Exhibit 11.5 The following questions use the data below. A store wants to predict quarterly sales. The owner has collected 3 years of sales data and wants your help in analyzing the data using the multiplicative seasonal effects model. Exhibit 11.5 The following questions use the data below. A store wants to predict quarterly sales. The owner has collected 3 years of sales data and wants your help in analyzing the data using the multiplicative seasonal effects model. -Refer to Exhibit 11.5. What formula should be entered in cell F7 to compute the seasonal factor using the multiplicative seasonal effects model? -Refer to Exhibit 11.5. What formula should be entered in cell F7 to compute the seasonal factor using the multiplicative seasonal effects model?

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Question 121

Exhibit 11.7 The following questions use the data below. Joe's Sporting Goods wants to forecast quarterly sales figures using Holt's method. The store has collected 12 quarters of data and needs your help to analyze the data. Exhibit 11.7 The following questions use the data below. Joe's Sporting Goods wants to forecast quarterly sales figures using Holt's method. The store has collected 12 quarters of data and needs your help to analyze the data. -Refer to Exhibit 11.7. What are predicted sales for time period 13 using the data in the spreadsheet? -Refer to Exhibit 11.7. What are predicted sales for time period 13 using the data in the spreadsheet?

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Question 122

Exhibit 11.11 The following questions use the data below. Joe's Sporting Goods wants to forecast quarterly sales figures using seasonal indices. The store has collected 12 quarters of data and needs your help to analyze the data. The relevant regression output is in the following table. Exhibit 11.11 The following questions use the data below. Joe's Sporting Goods wants to forecast quarterly sales figures using seasonal indices. The store has collected 12 quarters of data and needs your help to analyze the data. The relevant regression output is in the following table. -Refer to Exhibit 11.11. What formula should be entered in cell F3 to compute the quadratic trend for year 1 Quarter 1? Exhibit 11.11 The following questions use the data below. Joe's Sporting Goods wants to forecast quarterly sales figures using seasonal indices. The store has collected 12 quarters of data and needs your help to analyze the data. The relevant regression output is in the following table. -Refer to Exhibit 11.11. What formula should be entered in cell F3 to compute the quadratic trend for year 1 Quarter 1? -Refer to Exhibit 11.11. What formula should be entered in cell F3 to compute the quadratic trend for year 1 Quarter 1?

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Question 123

Which of the following describes an additive seasonal effect in times series data?

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Question 124

Exhibit 11.10 The following questions use the data below. Joe's Sporting Goods wants to forecast quarterly sales figures using a quadratic trend model. The store has collected 12 quarters of data and needs your help to analyze the data. The relevant regression output is in the following table. Exhibit 11.10 The following questions use the data below. Joe's Sporting Goods wants to forecast quarterly sales figures using a quadratic trend model. The store has collected 12 quarters of data and needs your help to analyze the data. The relevant regression output is in the following table. -Refer to Exhibit 11.10. What formula should be entered in cell F3 to compute the quadratic trend for year 1 Quarter 1? Exhibit 11.10 The following questions use the data below. Joe's Sporting Goods wants to forecast quarterly sales figures using a quadratic trend model. The store has collected 12 quarters of data and needs your help to analyze the data. The relevant regression output is in the following table. -Refer to Exhibit 11.10. What formula should be entered in cell F3 to compute the quadratic trend for year 1 Quarter 1? -Refer to Exhibit 11.10. What formula should be entered in cell F3 to compute the quadratic trend for year 1 Quarter 1?

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