A regression analysis relating a company's sales, their advertising expenditure, price, and time resulted in the following.
a.At 95% confidence, determine whether or not the regression model is significant. Fully explain how you arrived at your conclusion (give numerical reasoning) and what your answer indicates.
b.At 95% confidence determine which variables are significant and which are not. Explain how you arrived at your conclusion (Give numerical reasoning).
c.Fully explain the meaning of R-square, which is given in this model. Be very specific and give numerical explanation.

Question

A regression analysis relating a company's sales, their advertising expenditure, price, and time resulted in the following.  
a.At 95% confidence, determine whether or not the regression model is significant. Fully explain how you arrived at your conclusion (give numerical reasoning) and what your answer indicates.
b.At 95% confidence determine which variables are significant and which are not. Explain how you arrived at your conclusion (Give numerical reasoning).
c.Fully explain the meaning of R-square, which is given in this model. Be very specific and give numerical explanation.

Quizplus · Accepted Answer

The Answer of A regression analysis relating a company's sales, their advertising expenditure, price, and time resulted in the following.  
a.At 95% confidence, determine whether or not the regression model is significant. Fully explain how you arrived at your conclusion (give numerical reasoning) and what your answer indicates.
b.At 95% confidence determine which variables are significant and which are not. Explain how you arrived at your conclusion (Give numerical reasoning).
c.Fully explain the meaning of R-square, which is given in this model. Be very specific and give numerical explanation.

A Regression Analysis Relating a Company's Sales, Their Advertising Expenditure