Question: Do the naive method and linear trend equation for MAD, please try to do on paper or easy to undertand 5. A cosmetics manufacturer's marketing
5. A cosmetics manufacturer's marketing Page 127 department has developed a linear trend equation that can be used to predict annual sales of its popular Hand & Foot Cream. F, = 80 + 150 where F= Annual sales (000 bottles) t is in years a. Are annual sales increasing or decreasing? By how much? b. Predict annual sales for year 6 using the equation
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