Answered: Perform a statistical analysis / test…

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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Perform a statistical analysis / test of hypothesis on each of the following problems.

Past records showed that the average grade of students taking Filipino I is 85. A new method of teaching the subject is employed and a random sample of 24 students taking up the said subject is selected. The mean grade of the sample is 89 while the corresponding standard deviation is 16. Is there evidence that the new method of teaching has improved the student’s grade? Perform an analysis at the 5% level of significance.

2. Past records showed that the average grade of students taking Filipino I is 85. A new
method of teaching the subject is employed and a random sample of 24 students
taking up the said subject is selected. The mean grade of the sample is 89 while the
corresponding standard deviation is 16. Is there evidence that the new method of
teaching has improved the student's grade? Perform an analysis at the 5% level of
significance.

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