![subject](/tpl/images/cats/mat.png)
Mathematics, 18.11.2019 03:31 nsbegay2007
Aprofessor believes the class he is teaching in the current semester is above the average of the classes he has taught. in order to test this hypothesis, he analyses the scores of midterm of all 120 students he teaches this semester. their average score of this exam is 82 out of 100, with a standard deviation of 12. the mean score of the midterm for all students that he has taught for the last thirty-two years is 78 out of 100, with a standard deviation of 15. use an alpha level of 0.01 for this analysis.
part a. what is the appropriate test? why?
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:10
Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
Which of the functions graphed below has a removable discontinuity?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:50
What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?
Answers: 2
You know the right answer?
Aprofessor believes the class he is teaching in the current semester is above the average of the cla...
Questions
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 24.07.2019 13:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.07.2019 13:00
![question](/tpl/images/cats/mat.png)
Mathematics, 24.07.2019 13:00
![question](/tpl/images/cats/mat.png)
Mathematics, 24.07.2019 13:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.07.2019 13:00
![question](/tpl/images/cats/mat.png)
Mathematics, 24.07.2019 13:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.07.2019 13:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.07.2019 13:00
![question](/tpl/images/cats/biologiya.png)
Biology, 24.07.2019 13:00