A company markets its products in 3 regions through partner outlets. To evaluate the performance of its partner store sellers, the company conducted surveys at selected outlets in the three wilaya. each outlet will record the average sales of products in a month (in thousands of rupiah). The data obtained from the survey is then analyzed with results like these :

Analysis of Variance Source DF Adj SS Adj MS F-Value P-Value Factor 2 4883615 2441808 9.61 0.000 Error 42 10675632 254182 Total 44 15559247 Grouping Information Using the Fisher LSD Method and 95% Confidence Factor N Mean Grouping region 3 15 3564 A region 2 15 2949 CO region 1 15 2803 B Means that do not share a letter are significantly different