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Tests the claim that 41 > p2. Assume the samples are normally distributed, random and independent. 81 = 0.56; s2 = 0.5 21 = 48.36 ; z2 = 47.38 n1 = 21 ; n2 = 38 a. Calculate the Standard Error s-i, = (use 3 decimal places) b. Calculate the t-test statistic using the standard error from part a. t = (use 2 decimal places) c. What are the degrees of freedom? df =

Tests the claim that 41 > p2. Assume the samples are normally distributed, random and independent. 81 = 0.56; s2 = 0.5 21 = 48.36 ; z2 = 47.38 n1 = 21 ; n2 = 38 a. Calculate the Standard Error s-i, = (use 3 decimal places) b. Calculate the t-test statistic using the standard error from part a. t = (use 2 decimal places) c. What are the degrees of freedom? df =

MATLAB: An Introduction with Applications
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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Tests the claim that 41 > 42. Assume the samples are normally distributed, random and independent. 81 = 0.56 ; s2 = 0.5 T1 = 48.36 ; z2 = 47.38 n1 = 21 ; n2 = 38 a. Calculate the Standard Error sz-i, = (use 3 decimal places) b. Calculate the t-test statistic using the standard error from part a. t = (use 2 decimal places) c. What are the degrees of freedom? df = d. At a = 0.02 , Use the distribution table to find the critical values for the rejection region te = (use 4 decimal places) e. What is your conclusion? O Accept the null hypothesis and support the claim O Fail to reject the null hypothesis and do not support the claim O Reject the alternative hypothesis and support the claim O Accept the alternative hypothesis and reject the claim O Reject the null hypothesis and support the claim
Transcribed Image Text:Tests the claim that 41 > 42. Assume the samples are normally distributed, random and independent. 81 = 0.56 ; s2 = 0.5 T1 = 48.36 ; z2 = 47.38 n1 = 21 ; n2 = 38 a. Calculate the Standard Error sz-i, = (use 3 decimal places) b. Calculate the t-test statistic using the standard error from part a. t = (use 2 decimal places) c. What are the degrees of freedom? df = d. At a = 0.02 , Use the distribution table to find the critical values for the rejection region te = (use 4 decimal places) e. What is your conclusion? O Accept the null hypothesis and support the claim O Fail to reject the null hypothesis and do not support the claim O Reject the alternative hypothesis and support the claim O Accept the alternative hypothesis and reject the claim O Reject the null hypothesis and support the claim
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