Question

the arithmetic mean.
find
102, 112, 120, 126, 132, 136,231​

Answer 1

Answer:

sum of all the observations

total number of observations

$\frac{102 + 112 + 120 + 126 + 132 + 136 + 231}{7 }$

$\frac{959}{7}$

$= 137$

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