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Multiple Regression Analysis This information is taken from 80 homes recently sold along the Gulf of...

Multiple Regression Analysis

This information is taken from 80 homes recently sold along the Gulf of Mexico coast.Analyze the data to discover which of the variable have a statistically significant influence on the sales price.

A. Write out the equation for the model you develop

B, Interpret the equation as a model and the meaning of the information for each variable in your "best" model

C.Interpret the confidence intervals for each of the statistically significant variables

Use the data provided below

SUMMARY OUTPUT
Regression Statistics
Multiple R 0.935126708
R Square 0.874461961
Adjusted R Square 0.867766599
Standard Error 13.53205217
Observations 80
ANOVA
df SS MS F Significance F
Regression 4 95665.24119 23916.31 130.60712 5.40622E-33
Residual 75 13733.73269 183.1164
Total 79 109398.9739
Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0%
Intercept 24.97603818 16.62666277 1.502168 0.137252656 -8.145972546 58.0980489 -8.145972546 58.0980489
Size 0.052635722 0.00659448 7.981785 1.29238E-11 0.039498845 0.0657726 0.039498845 0.0657726
Number of 10.04302252 3.728710007 2.693431 0.008720668 2.615051286 17.47099376 2.615051286 17.47099376
Niceness 10.04203197 0.791493985 12.68744 2.37694E-20 8.465295102 11.61876885 8.465295102 11.61876885
Pool? 25.86232229 3.574712124 7.234799 3.36199E-10 18.74113057 32.98351402 18.74113057 32.98351402
math   Statistics-And-Probability   
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Answer #1

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