At professional examination students were getting grades A, B, C, D and E in the ration of 1:3:4:5:7 In the last examination 600 students who took the revision block release classes, were graded as follows:GradeABCDENumber of Students50100130150170 By testing the hypothesis, check if there is an improvement in student’s performance after taking revision block release classes at 0.05 level of significance and advice the examination board?

Given Grade A B C D E No of students 50 100 130 150 17

Answered: At professional examination students…

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

At professional examination students were getting grades A, B, C, D and E in the ration of 1:3:4:5:7 In the last examination 600 students who took the revision block release classes, were graded as follows:

Grade	A	B	C	D	E
Number of Students	50	100	130	150	170

By testing the hypothesis, check if there is an improvement in student’s performance after taking revision block release classes at 0.05 level of significance and advice the examination board?

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