Question 2:If all information remains the same as previous question (i.e., Question 1), except the researcher intended to test the hypothesis at a 1% significant level. What (i.e., H0; H1; ; one tail or two tail; Critical z; obtained z; reject or fail to reject) will be different? If all other information remains the same as previous question (i.e., Question 1), except the researcher’s hypothesis is “The average IQ of students from statistics courses on average is different from IQ score than the population IQ score." What (i.e., H0; H1; ; one tail or two tail; Critical z; obtained z; reject or fail to reject) will be different? **Question 1:** It is known the population IQ score follows a normal distribution with a mean $\mu = 100$ and a standard deviation (SD) of 10. A researcher is interested in studying if the average IQ of students from statistics courses on average has a higher IQ score than the population IQ score. To test this hypothesis, the researcher randomly collected a sample of 25 students from a statistics class. The mean IQ score for this sample is $\bar{x} = 110$. Conduct the hypothesis test at a significance level of $\alpha = 0.05$.

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Description: Question 2:If all information remains the same as previous question (i.e., Question 1), except the researcher intended to test the hypothesis at a 1% significant level. What (i.e., H0; H1; ; one tail or two tail; Critical z; obtained z; reject or fai

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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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Question 2:

If all information remains the same as previous question (i.e., Question 1), except the researcher intended to test the hypothesis at a 1% significant level. What (i.e., H0; H1; ; one tail or two tail; Critical z; obtained z; reject or fail to reject) will be different?

If all other information remains the same as previous question (i.e., Question 1), except the researcher’s hypothesis is “The average IQ of students from statistics courses on average is different from IQ score than the population IQ score." What (i.e., H0; H1; ; one tail or two tail; Critical z; obtained z; reject or fail to reject) will be different?

**Question 1:**

It is known the population IQ score follows a normal distribution with a mean $\mu = 100$ and a standard deviation (SD) of 10. A researcher is interested in studying if the average IQ of students from statistics courses on average has a higher IQ score than the population IQ score. To test this hypothesis, the researcher randomly collected a sample of 25 students from a statistics class. The mean IQ score for this sample is $\bar{x} = 110$. Conduct the hypothesis test at a significance level of $\alpha = 0.05$.

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