Question

Alan Bissell, a market analyst for City Sound Online Mart, is analyzing sales from heavy metal song downloads. Alan's dependent variable is annual heavy metal song download sales (in $1,000,000's), and his independent variables are website visitors (in 1,000's) and type of download format requested (0 = MP3, 1 = other). Regression analysis of the data yielded the following tables.

Coefficients Standard Error t Statistic p-value
Intercept 1.7 0.384212 4.424638 0.00166
x1(website visitors) 0.04 0.014029 2.851146 0.019054
x2(download format) -1.5666667 0.20518 -7.63558 3.21E-05

Alan's model is ________________.
a) y = 1.7 + 0.384212 x1 + 4.424638 x2 + 0.00166 x3
b) y = 1.7 + 0.04 x1 + 1.5666667 x2
c) y = 0.384212 + 0.014029 x1 + 0.20518 x2
d) y = 4.424638 + 2.851146 x1 - 7.63558 x2
e) y = 1.7 + 0.04 x1 - 1.5666667 x2

Answer

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