Question

find the mean of 10 ,20, 30,40,50​

Answer 1

$\huge\fbox\red{A}\fbox\green{n}\fbox\purple{s}\fbox\orange{w}\fbox\red{e}\fbox\red{r}$

-No of observations = 5

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$mean \: = \frac{sum \: of \: all \: observation}{no \: of \: observation \: }$

$mean \: = \frac{10 + 20 + 30 + 40 + 50}{5}$

$mean \: = \frac{150}{5}$

$mean \: = 30$

- The mean of the following observation is 30