Question: Preliminary analyses indicate that you can consider the assumptions for using nonpooled tprooedures satised. Researchers obtained the following data on the number of acute postoperative

Preliminary analyses indicate that you can consider the assumptions for using nonpooled tprooedures satised. Researchers obtained the following data on the number of acute postoperative days in the hospital using the dynamic and static systems. Obtain a 90% condence interval for the difference, [11 - \"2: between the mean numbers of acute postoperative days in the hospiml with the dynamic and static systems. (Note: 21 = 7.50. 51 = 1.93. i2 = 10.50, and 52 = 3.02) The 90% condence interval is from D to D. (Round to three decimal places as needed.)

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