An international food and beverage incorporation evaluates the effectiveness of advertising in different media. The f test is used to test whether there is a significant difference in the effectiveness of the 3 advertising media (TV, Newspaper, Online), at a 10% significance level. The results of the statistical analysis are shown below:

i) State the hypotheses of the test.

(ii) State your decision rule. 

(iii) Based on the results obtained, is there any significant difference in the effectiveness of the 3 advertising media? 

(iv) Which medium would you hypothesize to be more effective? What is the logic behind your hypothesis? 

(v) Recommend a statistical test to confirm your hypothesis in part (iv)? 

Answer rating: 100% (QA)

i The null hypothesis H0 1 2 3 states no significant difference in the effectiveness of the three ad... View the full answer