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TABLE 6–12 Twenty-four Months of Actual Data Month Actual Sales 345 350 355 360 365 360 358 352 8 10 11 12 348 353 362 370 375 13 14 15 16 17 18 382 390 380 375 368 19 20 21 22 23 24 363 373 380 391 397 408 -234567

TABLE 6–12 Twenty-four Months of Actual Data Month Actual Sales 345 350 355 360 365 360 358 352 8 10 11 12 348 353 362 370 375 13 14 15 16 17 18 382 390 380 375 368 19 20 21 22 23 24 363 373 380 391 397 408 -234567

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Sam Jones has 2 years of historical sales data for his company. He is applying
for a business loan and must supply his projections of sales by month for the
next 2 years to the bank.

a. Using the data from Table 6–12, provide a regression forecast for time
periods 25 through 48.
b. Does Sam’s sales data show a seasonal pattern?

TABLE 6–12 Twenty-four Months of Actual Data Month Actual Sales 345 350 355 360 365 360 358 352 8 10 11 12 348 353 362 370 375 13 14 15 16 17 18 382 390 380 375 368 19 20 21 22 23 24 363 373 380 391 397 408 -234567
Transcribed Image Text:TABLE 6–12 Twenty-four Months of Actual Data Month Actual Sales 345 350 355 360 365 360 358 352 8 10 11 12 348 353 362 370 375 13 14 15 16 17 18 382 390 380 375 368 19 20 21 22 23 24 363 373 380 391 397 408 -234567
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