A new all-purpose cleaner is being testmarketed by placing sales displays in three different locations within various supermarkets.The number of bottles sold from each location within each of the supermarkets is reported here:

a. State the null and alternative hypotheses for testing that €œthe location of the sales display had no effect on the number of bottles sold.€
b. Using a = 0.01 determine the test criteria: assumptions, level of significance, test statistic.
c. Using the information on the computer printout that follows, state the decision and conclusion to the hypothesis test.
d. What does the p-value tell you? Explain.

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852 335 0 588 025 2 Analysis of Variance Source Factor Error Total DF MS 230.3 460.7 106.2 566.9 19.51 0.001 9 11.8 Individual 95% CIs For Mean Based on Pooled StDev Level N Mean StDev + + + Location 4 39.250 3.775 Location 4 33.750 3.500 .) +-……… Location 4 48.750 2.986 ++H-ti Pooled StDev 3.436 30.0 36.0 4.0 48.0