A Two-Factor Analysis of Variance Is Conducted to Test the Effect

question 84

Multiple Choice

A two-factor analysis of variance is conducted to test the effect that price and advertising have on sales of a particular brand of bottled water.Each week a combination of particular levels of price and advertising are used and the sales amount is recorded.The computer results are shown below. Based on the results above and a 0.05 level of significance,which of the following is correct?

• A)There is no interaction between price and advertising,so results for individual factors may be misleading
• B)There is interaction between price and advertising,so the above results for individual factors may be misleading
• C)There is no interaction between price and advertising,and both factors significantly affect sales
• D)There is interaction between price and advertising,so the above results conclusively show that both factors affect price