FA Preliminary analyses indicate that you can consider the assumptions for using nonpooled t-procedures satisfied. Researchers Dynamic obtained the following data on the number of acute postoperative days in the hospital using the dynamic and static systems. CO 10 10 A Obtain a 90% confidence interval for the difference, H1 - H2, between the mean numbers of acute postoperative days in the 7 8 6 6 hospital with the dynamic and static systems. (Note: X1 = 7.50, s, = 1.93, x2 = 10.50, and s2 = 3.02) Static 10 8 13 6 13 13 ..... The 90% confidence interval is from to (Round to three decimal places as needed.) cem IC an ts: Ca ha ow t h mor CO m brary as 365 es as