. A quality survey asked recent customers of their experience ata local department store. One question asked for the customersrating on 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
