Consider the survey of supermarket data from Sydney to check branch rating by customers in three branches. Assuming that the population variances from al three branch carrgs rating of branches between A, B and C. One way ANOVA Excel output listed in the following table. are equal, perform an appropriate hypothesis test, at 95% confidence. The market researcher is interested in determining whether there is a significant difference in the averge ANOVA Source of Variation SS Between Groups 10.76 df