QUESTION 1 The president of this school claims that average GPA of students in this school is 3.0 with standard deviation 0.3. But, in our class, with 25 students, we find the class average is 2.9. We...


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QUESTION 1<br>The president of this school claims that average GPA of students in<br>this school is 3.0 with standard deviation 0.3. But, in our class, with 25 students,<br>we find the class average is 2.9. We want to check weather we can reject the claim.<br>For this purpose, we conduct a hypothesis testing. We set H0, the null hypothesis is<br>HO: mu=3.0. The alternative hypothesis Ha is:<br>mu>3.0<br>mu<3.0<br>mu=2.9<br>mu not equal 3.0<br>QUESTION 2<br>(continue 1). For this testing problem, find the value of the test statistic is:<br>1.66<br>-2.16<br>-1.67<br>1.21<br>QUESTION 3<br>(continue 2). The p-value is.<br>0.0475<br>0.0950<br>0.0154<br>0.1131<br>

Extracted text: QUESTION 1 The president of this school claims that average GPA of students in this school is 3.0 with standard deviation 0.3. But, in our class, with 25 students, we find the class average is 2.9. We want to check weather we can reject the claim. For this purpose, we conduct a hypothesis testing. We set H0, the null hypothesis is HO: mu=3.0. The alternative hypothesis Ha is: mu>3.0 mu<3.0 mu="2.9" mu="" not="" equal="" 3.0="" question="" 2="" (continue="" 1).="" for="" this="" testing="" problem,="" find="" the="" value="" of="" the="" test="" statistic="" is:="" 1.66="" -2.16="" -1.67="" 1.21="" question="" 3="" (continue="" 2).="" the="" p-value="" is.="" 0.0475="" 0.0950="" 0.0154="">

Jun 02, 2022
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