Question

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. Mathematics 72 80 83 75 Statistics. 81 74 77 88 English 82 90 87 80 Research 74 71 77 70

Answer 1

Answer:

sorry

Explanation:

i don't get it but. don't worry I will follow you