24 months calculation
From this equation the expected sales for the next 12 months can be estimated.
Q = 6 200 – 40P + 25PC + 6.2Y + 0.3A + 0.20S
(2.002) (17.5) (6.2) (2.5) (0.09) (0.21) – standard deviation (SEC)
R2 = 0.55 n = 55 F = 4.88
• Q = Quantity sold per month (sales)
• P = Price = R2 900
• PC = Price of leading competitor’s product = R3 200
• Y = Average per capita income in the country = R25 000
• A = Homebase’s monthly advertising expenditure = R20 000
• S = Number of robot vacuum cleaners sold across the country =
7 000
2.1 Calculate the number of iRobot-H vacuum cleaners that H
is expected to sell over the next 12 months.
2.2 Calculate the elasticities for the price of iRobot-H (P), the product of the
leading competitor (PC), average income (Y) and advertising income (A).
2.3 What is the meaning of the variables –40P, +6.2Y and 0.20S?
2.4 What is the meaning of the equation R2= 0.55?
2.5 Determine the t-values for P, PC and Y, and discuss their significance.
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