A quality survey asked recent customers of their experience at a local department store. One question...

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A quality survey asked recent customers of their experience at alocal department store. One question asked for the customers ratingon their service using categorical responses of average,outstanding, and exceptional. Another question asked for theapplicant’s education level with categorical responses of Some HS,HS Grad, Some College, and College Grad. The sample data below arefor 700 customers who recently visited the department store.Education Quality Rating Some HS HS Grad Some College College GradAverage 55 80 50 35 Outstanding 60 105 65 70 Exceptional 35 65 3545 Using a level of significance of 0.01, is there evidence tosuggest that the customer’s Education level and Quality Rating areindependent? In other words, is there a relationship or is there NOrelationship between Education and Quality Rating? a. State theNull and Alternative hypothesis. b. What is the statistic you woulduse to analyze this? c. State your decision rule: d. Show yourcalculation: e. What is your conclusion? Quality Rating andEducation level are independent OR Quality Rating and Educationlevel are NOT independent

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aNull hypothesis Ho Quality Rating and Educationlevel are independentAlternate hypothesis Ha Quality Rating andEducation level are not independentbThe ChiSquare test of independence is being used to determineif there is a significant relationship between two categoricalvariables Quality Rating and Education levelTest StatisticO Observed CountE See Answer

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