Continue with problem 4. (a) Find the 95% confidence interval for p m - wymo (b) Interpret the confidence interval from (a) in terms of the problem. (c) Find the 95% confidence interval for Ho - My. (d) Interpret your interval from (c) in terms of the prob- lem. (e) Using the results of this problem, which means do you believe are significantly different and why? 4. Recall problem 3 of homework 2: A consumer organization studied the effect of age of automobile owner on cash offer for a used car (in hundreds of dollars). The age groups were "Young" (Y), "Middle (M), and "Old (O). Summary statistics follow: M 27.75 1.29 Y 21.50 sample mean sample std. dev sample size 0 21.42 1.68 12 Overall 23.56 3.38 36 1.73 12 12 Continue with problem 4. (a) Find the 95% confidence interval for p m - wymo (b) Interpret the confidence interval from (a) in terms of the problem. (c) Find the 95% confidence interval for Ho - My. (d) Interpret your interval from (c) in terms of the prob- lem. (e) Using the results of this problem, which means do you believe are significantly different and why? 4. Recall problem 3 of homework 2: A consumer organization studied the effect of age of automobile owner on cash offer for a used car (in hundreds of dollars). The age groups were "Young" (Y), "Middle (M), and "Old (O). Summary statistics follow: M 27.75 1.29 Y 21.50 sample mean sample std. dev sample size 0 21.42 1.68 12 Overall 23.56 3.38 36 1.73 12 12