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2. A randomized study compares two surgical treatments for the same condition, and sees how many years the patient lives after treatment begins. (use 1 tailed tests in this question to determine whether surgery 1 outperforms surgery 2.) surgery 1:33,52,46,68 surgery 2:20,43,35,49 Question A: Assume that the distribution of the number of years lived is normal with the same variance. Test the hypothesis that the two surgeries are equally effective. Question B: Test the same hypothesis with a one sided hypothesis test without assuming the data is normally distributed (non parametric test).

2. A randomized study compares two surgical treatments for the same condition, and sees how many years the patient lives after treatment begins. (use 1 tailed tests in this question to determine whether surgery 1 outperforms surgery 2.) surgery 1:33,52,46,68 surgery 2:20,43,35,49 Question A: Assume that the distribution of the number of years lived is normal with the same variance. Test the hypothesis that the two surgeries are equally effective. Question B: Test the same hypothesis with a one sided hypothesis test without assuming the data is normally distributed (non parametric test).

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 29E
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2. A randomized study compares two surgical treatments for the same condition, and sees how many years the patient lives after treatment begins. (use 1 tailed tests in this question to determine whether surgery1 outperforms surgery 2.) surgery 1:33,52,46,68 surgery 2:20,43,35,49 Question A: Assume that the distribution of the number of years lived is normal with the same variance. Test the hypothesis that the two surgeries are equally effective. Question B: Test the same hypothesis with a one sided hypothesis test without assuming the data is normally distributed (non parametric test).
Transcribed Image Text:2. A randomized study compares two surgical treatments for the same condition, and sees how many years the patient lives after treatment begins. (use 1 tailed tests in this question to determine whether surgery1 outperforms surgery 2.) surgery 1:33,52,46,68 surgery 2:20,43,35,49 Question A: Assume that the distribution of the number of years lived is normal with the same variance. Test the hypothesis that the two surgeries are equally effective. Question B: Test the same hypothesis with a one sided hypothesis test without assuming the data is normally distributed (non parametric test).
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