Question

2:5
The grades in various subjects
2.a tudent given below. Test at
5% level of significance that
there is a significant difference
in grades
Mathematics 72 80 83 35
Statistics
74 77 88
English
90 87 80
Research
74 71 77.70
8
!​

Answer 1

Answer:    

The grades in various subjects of a student are given below test at 5%level of significance that there is a significant difference in grades maths 72 80 83 75 statistics 81 74 77 88 English 82 90 87 80 research 74 71 77 70

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Explanation: