MIRACLEIHEDORO26GO MIRACLEIHEDORO26GO Mathematics Answered Two random samples of sizes n_{1} = 15 and n_2 = 14 were selected from two independent normal populations with X .-248, overline X overline X_{1} =230 i S_{1} = 8 , and S_{2} = 4: find a 95% confidence limits for u1 - u2 assuming r1 = r2