Question: Tucson Machinery, Inc., manufactures numerically controlled machines, which sell for an average price of $ 0.5 million each. Sales for these NCMs for the past

Tucson Machinery, Inc., manufactures numerically controlled machines, which sell for an average price of $ 0.5 million each. Sales for these NCMs for the past two years were as follows:

QUARTER QUANTITY (UNITs) QUANTITY (UNITS) QUARTER Last Year This Year 12 18 26 16 16 24 28 18 I3D II IV II IV

a. Find a line using regression in Excel.

b. Find the trend and seasonal factors.

c. Forecast sales for next year.


QUARTER QUANTITY (UNITs) QUANTITY (UNITS) QUARTER Last Year This Year 12 18 26 16 16 24 28 18 I3D II IV II IV

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