Big Box Computer Store accepts three kinds of credit cards: Master Card, Visa, a
ID: 3390109 • Letter: B
Question
Big Box Computer Store accepts three kinds of credit cards: Master Card, Visa, and their own BigBox Store Card. The corporate sales manager would like to know if there is a difference in the mean amounts charged by customers on the three cards. A random sample of the amounts charged (rounded to the nearest dollar) is shown below.
Master
Card
ALL AMOUNTS IN USD
At the 0.05 significance level, can we conclude there is a difference in the mean amounts charged on the three cards?
Completely list the five steps in the testing procedure and develop an ANOVA table (include the ANOVA table in your memo). Develop a confidence interval between the Visa and store credit, Visa and Master Card, and Master Card and store credit means. State your conclusions and back them up with relevant data.
Master
Card
Visa Store 61 85 61 28 56 25 42 44 42 33 72 31 51 98 29 56 56 72Explanation / Answer
Big Box Computer Store accepts three kinds of credit cards: Master Card, Visa, a
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.