years. x0.103 0.073 0.072 0.077 0.086 0.047 0.060 0.050 0.070 0.052 y0.137 0.128

Question

years.

x0.103 0.073 0.072 0.077 0.086 0.047 0.060 0.050 0.070 0.052

y0.137 0.128 0.120 0.086 0.079 0.076 0.065 0.059 0.051 0.039

(a) Calculate the equation of the estimated regression line. (Round your answers to six decimal places.) 
y = 

Obtain the predicted market share when the advertising share is 0.09. (Round your answer to five decimal places.) 
 

(b) Compute r2. (Round your answer to three decimal places.) 
 

(c) Calculate a point estimate of . (Round your answer to four decimal places.) 
 

On how many degrees of freedom is your estimate based? 

Explanation / Answer

(a) the estimated regression line

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