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method to answer the following questions. Year Quarter Sales 1 160 180 3 190 4 170 2 200 210 3 260 4 230 3 1 210 2 240 3 290 4 260 26. The equation for the trend line of yearly sales is F, = 567 + 150t. What is the prediction for the sales in year 4? %3! 1000

method to answer the following questions. Year Quarter Sales 1 160 180 3 190 4 170 2 200 210 3 260 4 230 3 1 210 2 240 3 290 4 260 26. The equation for the trend line of yearly sales is F, = 567 + 150t. What is the prediction for the sales in year 4? %3! 1000

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The following data show the quarterly sales of a major auto manufacturer for the years 1 through 3. Use multiplicative method to answer the following questions. Year Quarter Sales 160 2 180 3 190 4 170 1 200 2 210 3 260 4 230 3 1 210 2 240 290 260 3 4 26. The equation for the trend line of yearly sales is F, = 567 + 150t. What is the prediction for the sales in year 4? <1000 b. Between 1000 and 1100 a. Between 1100 and 1200 d. >1200 с. 27. What is the seasonal index for quarter 4 in year 1? a. <0.8 b. Between 0.8 and 0.9 с. Between 0.9 and 1.0 d. >1.0 28. What is the average seasonal index for quarter 1? <0.8 b. Between 0.8 and 0.9 Between 0.9 and 1.0 a. с. d. >1.0 29. What is the sales forecast for quarter 1 in Year 4? a. <230 b. Between 230 and 240 с. Between 240 and 250 d. >250 30. What is the sales forecast for quarter 3 in Year 4? a. <300 b. Between 300 and 320 Between 320 and 340 d. >340 с. 2.
Transcribed Image Text:The following data show the quarterly sales of a major auto manufacturer for the years 1 through 3. Use multiplicative method to answer the following questions. Year Quarter Sales 160 2 180 3 190 4 170 1 200 2 210 3 260 4 230 3 1 210 2 240 290 260 3 4 26. The equation for the trend line of yearly sales is F, = 567 + 150t. What is the prediction for the sales in year 4? <1000 b. Between 1000 and 1100 a. Between 1100 and 1200 d. >1200 с. 27. What is the seasonal index for quarter 4 in year 1? a. <0.8 b. Between 0.8 and 0.9 с. Between 0.9 and 1.0 d. >1.0 28. What is the average seasonal index for quarter 1? <0.8 b. Between 0.8 and 0.9 Between 0.9 and 1.0 a. с. d. >1.0 29. What is the sales forecast for quarter 1 in Year 4? a. <230 b. Between 230 and 240 с. Between 240 and 250 d. >250 30. What is the sales forecast for quarter 3 in Year 4? a. <300 b. Between 300 and 320 Between 320 and 340 d. >340 с. 2.
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