Homework Assignment #4 Saved Help Save & Exit Submit Check my work 5 Businesses

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Homework Assignment #4 Saved Help Save & Exit Submit Check my work 5 Businesses 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 of coupon (either paper or electronic). The sample of 26 traditional paper-coupon clippers had a mean age of 34.0 with a standard deviation of 8.7. The sample of 35 e-coupon users had a mean age of 40.3 years with a standard deviation of 6.5. Assume the population standard deviations are not the same. 12.5 points Skipped Using a significance level of 0.050, test the hypothesis of no difference in the mean ages of the two groups of coupon clients. Hint For the calculations, assume e-coupon as the first sample. eBook References a. Find the degrees of freedom for unequal variance test. (Round down answer to nearest whole number.) rees of freedom b. State the decision rule for 0.050 significance level: Ho-e-coupon-put raditional ; H1' Ao-coupon # raditional. (Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places.) eject HO if ts

Explanation / Answer

Homework Assignment #4 Saved Help Save & Exit Submit Check my work 5 Businesses 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 of coupon (either paper or electronic). The sample of 26 traditional paper-coupon clippers had a mean age of 34.0 with a standard deviation of 8.7. The sample of 35 e-coupon users had a mean age of 40.3 years with a standard deviation of 6.5. Assume the population standard deviations are not the same. 12.5 points Skipped Using a significance level of 0.050, test the hypothesis of no difference in the mean ages of the two groups of coupon clients. Hint For the calculations, assume e-coupon as the first sample. eBook References a. Find the degrees of freedom for unequal variance test. (Round down answer to nearest whole number.) rees of freedom b. State the decision rule for 0.050 significance level: Ho-e-coupon-put raditional ; H1' Ao-coupon # raditional. (Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places.) eject HO if ts

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