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Store Week 1 2 3 1 $1430 $ 980 $ 1780 $ 2300 $2200 $ 1400 $ 2890 $ 2680 3 $1140 $ 1200 $
Store Week 1 2 3 1 $1430 $ 980 $ 1780 $ 2300 $2200 $ 1400 $ 2890 $ 2680 3 $1140 $ 1200 $ 1500 $ 2000 4 $880 $ 1300 $ 1470 $ 1900 $1670 $ 1300 $ 2400 $ 2540 6 $990 $ 550 $ 1600 $ 1900 5 Analysis of Variance 20% Anyone who has gone into a supermarket or discount store has walked by displays at the end of the aisles. These are referred to as endcaps and are often prized because they increase the visibility of products. A manufacturer of tortilla chips has recently developed a new product, a blue corn tortilla chip. The manufacturer has arranged with a regional supermarket chain to display the chips in endcaps at four different locations in stores that have had similar weekly sales in snack foods. The dollar volumes of sales for the last six weeks in four stores are as follows: a Construct the ANOVA table and use the significance level of 0.05. b Test the hypothesis if there is a difference in the average sales of four stores. Be specific about the null, alternate hypothesis, the test statistics and the test results. c Test the hypothesis if there is a difference in the average sales for different weeks. Be specific about the null, alternate hypothesis, the test statistics and the test results
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