Question 4>You wish to test the following claim (Ho) at a significance level of a =problem, µd = µ2 – µi where the first data set represents a pre-test and the second data set represents0.10. For the context of thisa post-test.H.: µd = 0Ha: µd < 0You believe the population of difference scores is normally distributed, but you do not know the standarddeviation. You obtain pre-test and post-test samples for n =pre) is d:24 subjects. The average difference (post -- 2.8 with a standard deviation of the differences of sd = 19.5.What is the critical value for this test? (Report answer accurate to two decimal places.)critical value =What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic =The test statistic is...O in the critical regionO not in the critical regionThis test statistic leads to a decision to...reject the nullaccept the nullO fail to reject the nullAs such, the final conclusion is that...There is sufficient evidence to warrant accepting the Ho: the mean difference is zero vs. Ha: themean diffference is less than 0.O There is not sufficient evidence to warrant accepting the Ho: the mean difference is zero vs. Ha: themean diffference is less than 0.The sample data support rejecting the Ho: the mean difference is zero vs. Ha: the mean diffferenceis less than 0.There is not sufficient sample evidence to support rejecting the Ho: the mean difference is zero vs.Ha: the mean diffference is less than 0.

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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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You wish to test the following claim (Ha) at a significance level of a = 0.005. Ho: μ = 74.6 Ha: μ < 74.6 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 34 with mean M 72.9 and a standard deviation of SD = 13.9. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... o less than (or equal to) a Ogreater than a This test statistic leads to a decision to... Oreject the null o accept the null o fail to reject the null As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the population mean is less than 74.6. There is not sufficient evidence to warrant rejection of the claim that the population mean is less than 74.6. The sample data support the claim that the population mean is less than…
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