A sample of size n=150 is to be used to test the following hypothesis at the level of significance0.02.HO: mu = 8.3 versus Ha: mu is not equal to 8.3,where mu is the true average weight of a newborn American baby. Give the appropriate rejectionregion.Let T = (bar{X}- mu) / (S/sqrt{n})where, bar{X} = sample mean and sqrt{n} is the square root of n.OT> 2.575 or T< -2.575OT> 2.325 or T < -2.325OT> 1.96 or T< -1.96 Historically, the average time it takes Klm to swim the 200 meter butterfly is 148.4 seconds. Kimwould like to know if her average time has changed. She records her time on 50 randomly selectedoccasions and computes the mean to be 147.8 with a standard deviation of 2.3 seconds. Determinethe null and alternative hypothesis, and your conclusion at the level of significance .01.O HO: mu = 148.4 v.s. Ha: mu is not equal to 148.4T= (bar{X} - mu) / (S/sqrt{n})Since the observed value of the test statistics T_{obs} = -1.845 and |T_{obs}| < 2.575, we cannot reject HO.O HO: mu = 148.4 v.s. Ha: mu > 148.4T= (bar{X} - mu) / (S/sqrt{n})Since the observed value of the test statistics T_{obs} = -1.845 and T_{obs} < 2.325, we cannot reject HO.O HO: mu = 148.4 v.s. Ha: mu < 148.4T = (bar{X} - mu) / (S/sqrt{n})Since the observed value of the test statistics T_{obs} = -1.845 and T_{obs} > - 2.325, we cannot reject HO.

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A sample of size n=150 is to be used to test the following hypothesis at the level of significance 0.02. HO: mu = 8.3 versus Ha: mu is not equal to 8.3, where mu is the true average weight of a newborn American baby. Give the appropriate rejection region. Let T (bar{X}- mu) / (S/sqrt{n}) where, bar{X} = sample mean and sqrt{n} is the square root of n. OT> 2.575 or T< -2.575 OT> 2.325 or T< -2.325 OT> 1.96 or T< -1.96

A sample of size n=150 is to be used to test the following hypothesis at the level of significance 0.02. HO: mu = 8.3 versus Ha: mu is not equal to 8.3, where mu is the true average weight of a newborn American baby. Give the appropriate rejection region. Let T (bar{X}- mu) / (S/sqrt{n}) where, bar{X} = sample mean and sqrt{n} is the square root of n. OT> 2.575 or T< -2.575 OT> 2.325 or T< -2.325 OT> 1.96 or T< -1.96

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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