Answer in Statistics and Probability for Stanquan lymon #108901

Question #108901

The average score on the exam is

Expert's answer

Let there be n students taking the exam, and each of them obtained $x_1, x_2, ...x_n$ marks in the exam.

Then the average score on the exam is given by

$\mu=(x_1+x_2+...x_n)/n$

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