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Simple linear regression analysis for décor rating data

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Marketing Research, Regression Questions. See attached file for full problem description.

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Simple linear regression analysis for décor rating data

Slope, Intercept, Correlation, Residual, R Square, Coefficient of determination and Regression equation is included in the solution.

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Please see attached file. Calculations are in MS Excel.

1.
1. The correlation between the variable are given below

Percentage
Who purchased Avg decor Rating Avg Clean Rating Average age
Percentage Who purchased 1
Avg deco Rating 0.931162895 1
Avg Clean Rating 0.674773241 0.668287505 1
Average age -0.227232548 -0.077560778 0.001178585 1

Average décor rating is the best predictor

2. Regression between Percent ...

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