Solutions Statistics

Problem: The following data on x = advertising share and y = market share for a particular brand of

Problem: The following data on x = advertising share and y = market share for a particular brand of cigarettes during 10 randomly selected years is from the article "Testing Alternative Econometric Models on the Existence of Advertising Threshold Effect" (Journal of Marketing Research [1984]: 298-308

x
 .103
 .072
 .071
 .077
 .086
 .047
 .060
 .050
 .070
 .052
y
 .135
 .125
 .120
 .086
 .079
 .076
 .065
 .059
 .051
 .039

a. Calculate the equation of the estimated regression line.
formulaImage?f=%5Cwidehat%7B%5C%2Cy%5C%2C%7D=

b. Use the regression equation to predicted market share when the advertising share is 0.05.

formulaImage?f=%5Cwidehat%7B%5C%2Cy%5C%2C%7D_%7B%280=

Compute r2.
r2 =

c. Calculate a point estimate of formulaImage?f=+%5Csigma++++&ns=0.
se =

On how many degrees of freedom is your estimate based?
df =

Price: $2.99
Solution: The answer consists of 4 pages
Deliverables: Word Document


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