Supermarket Prices In Exercise 11.43(and data set EX1143), we compared the regularprices at four different grocery stores for eightitems purchased on the same day. The prices are listedin the table.StoreItems Vons Ralphs Stater Bros WinCoSalad mix, 12 oz. bag 3.99 2.79 1.99 1.78Hillshire Farm BeefSmoked Sausage, 14 oz. 4.29 4.29 3.99 2.50Kelloggs RaisinBran, 25.5 oz. 4.49 5.49 4.49 3.15Kraft PhiladelphiaCream Cheese, 8 oz. 2.99 3.19 2.79 1.48Kraft RanchDressing, 16 oz. 3.19 3.49 3.49 1.48TreeTop AppleJuice, 64 oz. 2.99 3.49 3.49 1.58Dial Bar Soap,Gold, 8-4 oz. 5.99 6.49 5.79 5.14Jif Peanut Butter,Creamy, 28 oz. 5.15 5.49 4.79 4.34 a. Does the distribution of the prices differ from onesupermarket to another? Test using the FriedmanFr-test with a .05.b. Find the approximate p-value for the test and interpretit.

STAT-5615: Statistics in Research I Lecture 9 Two Sample Paired t-test Ott & Longnecker 6.4 Dr. Christian Lucero Virginia Tech Fall 2016 Comparison of Paired Samples There are many situations in which the populations that we are comparing are not independent of one another. This is a violation of one of our assumptions that we have...