What affects flat panel LCD TV sales? Flat panel LCD televisions are sold through a variety of outlets such as large and small electronics stores, department stores, large discount chains and online. Sales figures (number of units) for the popular Sony Bravia were obtained for last quarter from a sample of 30 different stores. Also collected were data on the selling price and amount spent on advertising the Sony Bravia (as a percentage of total advertising expenditure in the previous quarter) at each store. Below are the multiple regression results. a. Write out the estimated regression equation.
b. Is the regression equation significant overall? Explain.
c. How much of the variability in Sales is explained by the regression equation?
d. State the hypotheses for testing the regression coefficient of Price. Based on the results, what do you conclude?
e. State the hypotheses for testing the regression coefficient of Advertising Expenditure. Based on the results, what do you conclude?
f. Predict the sales for a store that sells the Sony Bravia for $2199 and spends 10% of its advertising budget on the product.
g. Comment on whether the conditions for multiple regression are satisfied based on the plots shown below.

Question

What affects flat panel LCD TV sales? Flat panel LCD televisions are sold through a variety of outlets such as large and small electronics stores, department stores, large discount chains and online. Sales figures (number of units) for the popular Sony Bravia were obtained for last quarter from a sample of 30 different stores. Also collected were data on the selling price and amount spent on advertising the Sony Bravia (as a percentage of total advertising expenditure in the previous quarter) at each store. Below are the multiple regression results.  a. Write out the estimated regression equation.
b. Is the regression equation significant overall? Explain.
c. How much of the variability in Sales is explained by the regression equation?
d. State the hypotheses for testing the regression coefficient of Price. Based on the results, what do you conclude?
e. State the hypotheses for testing the regression coefficient of Advertising Expenditure. Based on the results, what do you conclude?
f. Predict the sales for a store that sells the Sony Bravia for $2199 and spends 10% of its advertising budget on the product.
g. Comment on whether the conditions for multiple regression are satisfied based on the plots shown below.

Quizplus · Accepted Answer

The Answer of What affects flat panel LCD TV sales? Flat panel LCD televisions are sold through a variety of outlets such as large and small electronics stores, department stores, large discount chains and online. Sales figures (number of units) for the popular Sony Bravia were obtained for last quarter from a sample of 30 different stores. Also collected were data on the selling price and amount spent on advertising the Sony Bravia (as a percentage of total advertising expenditure in the previous quarter) at each store. Below are the multiple regression results.  a. Write out the estimated regression equation.
b. Is the regression equation significant overall? Explain.
c. How much of the variability in Sales is explained by the regression equation?
d. State the hypotheses for testing the regression coefficient of Price. Based on the results, what do you conclude?
e. State the hypotheses for testing the regression coefficient of Advertising Expenditure. Based on the results, what do you conclude?
f. Predict the sales for a store that sells the Sony Bravia for $2199 and spends 10% of its advertising budget on the product.
g. Comment on whether the conditions for multiple regression are satisfied based on the plots shown below.

What Affects Flat Panel LCD TV Sales? Flat Panel LCD