Applebee's International, Inc., is a U.S. company that develops, franchises, and operates the Applebee's Neighborhood Grill and Bar restaurant chain. It is the largest chain of casual dining restaurants in the country, with over 1,500 restaurants across the United States. The headquarters is located in Overland Park, Kansas. The company is interested in determining if mean weekly revenue differs among three restaurants in a particular city. The file entitled Applebees contains revenue data for a sample of weeks for each of the three locations. If you did conclude that there was a difference in the average revenue, use Fisher's LSD approach to determine which restaurant has the lowest mean sales.
A) There is no difference between the average revenues.
B) Restaurant 1 has the highest average revenue while there is no evidence of a difference between Restaurant 2's and 3's average revenues.
C) Restaurant 3 has the highest average revenue while there is no evidence of a difference between Restaurant 1's and 2's average revenues.
D) Restaurant 2 has the highest average revenue while there is no evidence of a difference between Restaurant 1's and 3's average revenues.

Question

Quizplus · Accepted Answer

Fisher's LSD approach is used to determine which specific means are different after finding a significant difference in ANOVA. If Restaurant 3 has the highest average revenue, it implies that it is significantly different from at least one other restaurant, while there is no evidence of a difference between the other two.