Economy, asked by anishagrawal717, 27 days ago

an examination was given to 50 students of college A and 60 students of collegs B . the mean grade was 75 with a standard deviation of 9 of college A while in college B the mean grade was 79 with a standard deviation of 7 . Is there a signeficant difference between the performance of both the colleges at the 5% level of significance

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Answered by rahulwadhwani

1

Answer:

7% is the answer i think so

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