Answer Happy

A chain of convenience stores wanted to test three different advertising policies. Eighteen stores were randomly selected and divided randomly into three groups of six stores. Each group used one of the three policies: no | advertising, neighborhood circulars, circulars and newspaper advertising. Following the implementation of the policies, sales figures were obtained for each of the stores during a 1-month period. The figures are displayed, in thousands of dollars, in the following table. Circulars and No advertising Neighborhood circulars newspaper ads 22 21 29 20 25 24 26 25 31 21 20 32 24 22 26 22 26 27 At the 1% significance level, do the data provide evidence of a difference in mean monthly sales among the three policies? Reject HO; the data provide evidence that there is a difference in monthly sales O Fail to reject HO; the data do not provide evidence that there is a difference in monthly sales No answer text provided. No answer text provided.