Question

find the arithmetic mean of 18,15,5,19,13​

Answer 1

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$\rm{mean = \frac{a + b + c + d + e}{5}}$

$\rm{ mean = \frac{18 + 15 + 5 + 19 + 13}{5} }$

$\rm{mean = \frac{70}{5} }$

$\rm{mean = 14}$

Answer 2

$\frac{18 + 15 + 5 + 19 + 13}{5} = \frac{70}{5} = 14$

14 is the correct answer