Tests the claim that 41 < µ2. Assume the samples are random and independent.01 =0.6; 02 = 0.51T1 = 36.52 ; 2 = 37%3Dn1 = 34; n2 = 33%3D%3DStandard ErrorZ-Test Statistic(71 – 72) – (41 – 42)lu.n2a. Calculate the Standard Error o- =(3 decimal places)b. Calculate the Z-test statistic using the standard error from part a. z =(2 decimalplaces)C. At a 0.08, Use the distribution table to find the critical values for the rejection regionこ。=(3 decimal places)

a. Consider, σx¯1-x¯2=σ12n1+σ22n2 =0.6234+0.51233 =0.136

Answered: Tests the claim that 41 < µ2. Assume…

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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Calculate the missing values in the Stata output (SKIP E!!!). Two-sample t test with A variances X y combined diff Obs Ho: diff = 0 49 30 79 diff = mean(x) Ha: diff |t|) = Std. Dev. 6.5 7.4 6.935314 G E [95% Conf. Intervall 40.33298 39.62126 C F degrees of freedom = 44.86702 Pr{T > t) 42.72811 1.6996 77 Ha: diff > 0 H
11
Tests the claim that 1 # p2. Assume the samples are normally distributed, random and independent. of + o S1 =0.77 ; s2 = 0.82 E1 = 48.92 ; z2 = 48.94 n1 = 24; n2 = 31 a. Calculate the Standard Error s-, = (use 3 decimal places) (use 2 decimal places) b. Calculate the t-test statistic using the standard error from part a. t = c. What are the degrees of freedom? df %3! d. At a = 0.02, Use the distribution table to find the critical values for the rejection region t = ± (use 4 decimal places) e. What is your conclusion? 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 null hypothesis and support the claim O Reject the null hypothesis and support the claim O Accept the alternative hypothesis and reject the claim
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A random sample of size 10 yielded roughly "mound-shaped" data with a sample mean of 63.5 and a sample variance of 60.8. Let (L, OU) be the interval estimate that contains the population mean with 95% probability. Find the width of the interval. That is, find 0 – 0₁. 4.52 5.49 5.58 5.70 9.04 10.99 11.16 11.40 none of the other answers give the correct width

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Tests the claim that 41 < µ2. Assume the samples are random and independent. 01 = 0.6; 02 0.51 %3D %3D I1 = 36.52 ; #2 = 37 n = 34 ; n2 = 33 %3D %3D Standard Error Z-Test Statistic (ž1 – 72) – (41 – 42)