Question

formula of arithmetic mean is
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Answer 1

Answer:

Formula of Arithmetic Mean is

$\frac{fx}{f}$

Answer 2

Answer:

Mean= Sum of observations/ No. of. Observations

Explanation:

Mean of 1, 2, 3, 4, 5

Mean= 1+2+3+4+5/5

Mean=15/5

Mean=3

Therefore, 3 is the mean