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Question 2 [19 Marks] Business such as General Mills, Kellogg's and Betty Crocker regularly use coupons to build brand allegiance and stimulate sales. Marketers believe that the users of paper coupons are different from the users of e-coupons accessed through the internet. One survey recorded the age of each person who redeemed a coupon along with the type pfcoupon (either paper or electronic). The sample of 25 traditional paper-coupon clippers had a mean age of 39.5 with a standard deviation of 4.8. The sample of 35 e-coupon clippers had a mean age of 33.6 with standard deviation of 10.9. Assume the population standard deviations are not the same. Using a significance level of0.01, test the hypothesis ofno difference mean ages ofthe two groups of coupon clients