Question

calculate the mean data for 1,2,8,9,8,7, 11,12​

Answer 1

☞To Find :-

Find the mean of data for 1,2,8,9,8,7, 11,12.

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☞Formula used :-

$= \frac{sum \: of \: all \: numbers}{total \: numbers}$

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☞Solution :-

$= \frac{58}{8}$

= 7.25

So,

The mean is 7.25.

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Hopes, it's helpful.

ItzNobita5 ^_^

Answer 2

Step-by-step explanation:

as mean = sum of observation/total number of observation

1+ 2+8+9+8+7+11+12/8

= 3+17+15+23/8

=58/8 or the answer could b 58/8 = 29/4