MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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**Question 1** The president of this school claims that the average GPA of students in this school is 3.0 with a standard deviation of 0.3. However, in our class, with 25 students, we find the class average is 2.9. We want to check whether we can reject the claim. For this purpose, we conduct hypothesis testing. We set H0, the null hypothesis as H0: μ = 3.0. The alternative hypothesis Ha is: - ○ μ > 3.0 - ○ μ < 3.0 - ● μ = 2.9 - ○ μ ≠ 3.0 **Question 2** (Continue 1). For this testing problem, find the value of the test statistic: - ○ 1.66 - ● -2.16 - ○ -1.67 - ○ 1.21 **Question 3** (Continue 2). The p-value is: - ○ 0.0475 - ○ 0.0950 - ● 0.0154 - ○ 0.1131
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Transcribed Image Text:**Question 1** The president of this school claims that the average GPA of students in this school is 3.0 with a standard deviation of 0.3. However, in our class, with 25 students, we find the class average is 2.9. We want to check whether we can reject the claim. For this purpose, we conduct hypothesis testing. We set H0, the null hypothesis as H0: μ = 3.0. The alternative hypothesis Ha is: - ○ μ > 3.0 - ○ μ < 3.0 - ● μ = 2.9 - ○ μ ≠ 3.0 **Question 2** (Continue 1). For this testing problem, find the value of the test statistic: - ○ 1.66 - ● -2.16 - ○ -1.67 - ○ 1.21 **Question 3** (Continue 2). The p-value is: - ○ 0.0475 - ○ 0.0950 - ● 0.0154 - ○ 0.1131
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