THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A brand manager is interested in determining if consumers prefer the new fragrance associated with a detergent.She surveyed 212 consumers and has them rank the new and old fragrances on a scale of 1 to 10.Of the 198 consumers who scored a different score on the new fragrance than on the old,the absolute values of the differences in their ratings were ranked.The smaller of the ranked sums,8,208,was for those individuals who rated the original fragrance higher.
-A sample of 15 managers in retail stores having self-checkout was asked if their customers have a positive attitude about the scanning process.Ten managers answered "yes," and five answered "no." Test against a two-sided alternative the null hypothesis that,for the population of managers,responses would be equally divided between "yes" and "no."