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To test Ho: u = 107 ver E Click here to view (a) Does the populatio O A. No, because th OB. No, because r O C. Yes, because O D. Yes, because (b) If x = 104.0 and s The test statistic is to

To test Ho: u = 107 ver E Click here to view (a) Does the populatio O A. No, because th OB. No, because r O C. Yes, because O D. Yes, because (b) If x = 104.0 and s The test statistic is to

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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What is correct answer. Previous person answered it incorrectly (it’s not 3.02 obviously)
**Hypothesis Testing** To test \( H_0: \mu = 107 \) versus \( H_1: \mu \neq 107 \) a simple random sample of size \( n = 35 \) is obtained. *Click Here to View the z-Distribution Area: Right Tail* **Complete parts (a) through (c) below:** **(a) Does the population have to be normally distributed to test this hypothesis? Why?** - O A. No, because the test is two-tailed. - O B. No, because \( n \geq 30 \). (Correct Answer) - O C. Yes, because the sample is random. - O D. Yes, because \( n < 30 \). **(b) If \( \bar{x} = 104.4 \) and \( s = 5.8 \), compute the test statistic.** *The test statistic is \( z \approx -3.02 \). (Round to two decimal places as needed)*
Transcribed Image Text:**Hypothesis Testing** To test \( H_0: \mu = 107 \) versus \( H_1: \mu \neq 107 \) a simple random sample of size \( n = 35 \) is obtained. *Click Here to View the z-Distribution Area: Right Tail* **Complete parts (a) through (c) below:** **(a) Does the population have to be normally distributed to test this hypothesis? Why?** - O A. No, because the test is two-tailed. - O B. No, because \( n \geq 30 \). (Correct Answer) - O C. Yes, because the sample is random. - O D. Yes, because \( n < 30 \). **(b) If \( \bar{x} = 104.4 \) and \( s = 5.8 \), compute the test statistic.** *The test statistic is \( z \approx -3.02 \). (Round to two decimal places as needed)*
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