ription Assignmen For this 13.1 a0 13 2 Your best i 3E011 05 Submissions Used th
ID: 3319214 • Letter: R
Question
ription Assignmen For this 13.1 a0 13 2 Your best i 3E011 05 Submissions Used the accompanying dats arex - advertising share and y- market share for a particular brand of cigarettes during 10 randomly selected years. 0.103 9.072 9.073 0.077 0.086 0.047 0.060 0.050 0.070 0.052 0:126 0.124 0.126 6.086 0079 0.076 o o65 0.059 0.051 0.039 o) Calculate the equation of the estimated regression line. (Round your answers to six decimal places) Obtain the predicted marikst share when the advertising share s 0.09. (Round your ansvier to five decimal places. b) compute2Round your answer to threc decimal places.) Calculate a point estimate of o. (Round your answer to four decimal places.) On how many degrees of freedom is your estimate based?Explanation / Answer
a) y^ = 0.086630316 -0.025470427*x
b) when x = 0.09
y^ = 0.086630316 -0.025470427*0.09
= 0.084337
c)
standard error =0.034685
d)
df = n-1 = 9
SUMMARY OUTPUT Regression Statistics Multiple R 0.130133615 R Square 0.016934758 Adjusted R Square -0.105948398 Standard Error 0.034685552 Observations 10 ANOVA df SS MS F Significance F Regression 1 0.0001658 0.0001658 0.137811873 0.720104703 Residual 8 0.0096247 0.001203088 Total 9 0.0097905 Coefficients Standard Error t Stat P-value Lower 95% Intercept 0.086630316 0.013835173 6.261599504 0.000242643 0.054726348 x -0.025470427 0.068610868 -0.371230215 0.720104703 -0.183687372Related Questions
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