Test the claim that the mean GPA of night students is larger than 3.5 at the .005 significance level. The null and alternative hypothesis would be: Но:р — 0.875 Но:р — 0.875 Но:a H1:p > 0.875 H1:p+ 0.875 H1:µ + 3.5 H1:µ < 3.5 H1:p < 0.875 H1:µ > 3.5 3.5 Но: и — 3.5 Hо:р — 0.875 Н,: р — 3.5 The test is: two-tailed right-tailed left-tailed Based on a sample of 25 people, the sample mean GPA was 3.55 with a standard deviation of 0.04 (to 2 decimals) The test statistic is: The critical value is: (to 2 decimals) Based on this we: O Reject the null hypothesis O Fail to reject the null hypothesis

Test the claim that the mean GPA of night students is larger than 3.5 at the .005 significance level. The null and alternative hypothesis would be: Но:р — 0.875 Но:р — 0.875 Но:a H1:p > 0.875 H1:p+ 0.875 H1:µ + 3.5 H1:µ < 3.5 H1:p < 0.875 H1:µ > 3.5 3.5 Но: и — 3.5 Hо:р — 0.875 Н,: р — 3.5 The test is: two-tailed right-tailed left-tailed Based on a sample of 25 people, the sample mean GPA was 3.55 with a standard deviation of 0.04 (to 2 decimals) The test statistic is: The critical value is: (to 2 decimals) Based on this we: O Reject the null hypothesis O Fail to reject the null hypothesis

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Description: Test the claim that the mean GPA of night students is larger than 3.5 at the .005 significance level.The null and alternative hypothesis would be:Но: р — 0.875 Н,: р — 0.875 Но: р — 3.5 Но: р — 3.5 Но:р — 0.875 Hо: д — 3.5Hа:р> 0.875 Н,:р40.875 H,:и

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 = 0.01. Id:°H На : Рі — Р2 <0 P2 = 0 You obtain 69 successes in a sample of size n1 = sample of size n2 = 603 from the second population. 274 from the first population. You obtain 195 successes in a 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 greater than a This test statistic leads to a decision to... reject the null hypothesis accept the null hypothesis O fail to reject the null hypothesis As such, the final conclusion is that... There is enough evidence to show that the first population proportion is not less than the second population proportion. O There is not enough evidence to show that the first population proportion is not less than the second population proportion. There is enough evidence to show that…
Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at the 0.01 significance level.The null and alternative hypothesis would be: H0:μN=μDH0:μN=μDH1:μN≠μDH1:μN≠μD H0:μN≤μDH0:μN≤μDH1:μN>μDH1:μN>μD H0:pN=pDH0:pN=pDH1:pN≠pDH1:pN≠pD H0:pN≥pDH0:pN≥pDH1:pN<pDH1:pN<pD H0:μN≥μDH0:μN≥μDH1:μN<μDH1:μN<μD H0:pN≤pDH0:pN≤pDH1:pN>pDH1:pN>pD The test is: left-tailed right-tailed two-tailed The sample consisted of 45 night students, with a sample mean GPA of 3.23 and a standard deviation of 0.05, and 45 day students, with a sample mean GPA of 3.26 and a standard deviation of 0.08.The test statistic is: (to 2 decimals)The p-value is: (to 2 decimals)Based on this we:
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