Math Problem Statement
Given that the trend line equation for semi-annual sales of laptop from January year 2001 to December year 2004 given by y = 255 + 1.2x (in RM thousand). a. Predict the sales for January to June and July to December in year 2006 (in nearest thousands).
Jan – June July – Dec
Seasonal Variation Index (in RM thousand) +45 –45
b. Predict the sales for January to June and July to December in year 2005 (in nearest thousands).
Jan – June July – Dec Seasonal Variation Index 115 85
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Sales Forecasting
Seasonal Adjustments
Formulas
y = 255 + 1.2x
Predicted Sales = Trend + Seasonal Adjustment
Theorems
-
Suitable Grade Level
Grade 10-12