A random sample of 100100 observations from a population with standard deviation 6.922573930080226.92257393008022 yielded a sample mean of 91.291.2. (a) Given that the null hypothesis is ?=90μ=90 and the alternative hypothesis is ?>90μ>90 using ?=.05α=.05, find the following: (i) critical ?z score (ii) test statistic == (b) Given that the null hypothesis is ?=90μ=90 and the alternative hypothesis is ?≠90μ≠90 using ?=.05α=.05, find the following: (i) the positive critical ?z score
A random sample of 100100 observations from a population with standard deviation 6.922573930080226.92257393008022 yielded a sample mean of 91.291.2. (a) Given that the null hypothesis is ?=90μ=90 and the alternative hypothesis is ?>90μ>90 using ?=.05α=.05, find the following: (i) critical ?z score (ii) test statistic == (b) Given that the null hypothesis is ?=90μ=90 and the alternative hypothesis is ?≠90μ≠90 using ?=.05α=.05, find the following: (i) the positive critical ?z score
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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A random sample of 100100 observations from a population with standard deviation 6.922573930080226.92257393008022 yielded a sample mean of 91.291.2.
(a) Given that the null hypothesis is ?=90μ=90 and the alternative hypothesis is ?>90μ>90 using ?=.05α=.05, find the following:
(i) critical ?z score
(ii) test statistic ==
(b) Given that the null hypothesis is ?=90μ=90 and the alternative hypothesis is ?≠90μ≠90 using ?=.05α=.05, find the following:
(i) the positive critical ?z score
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