Question

write the mean 11,9,7,10,12,8,13.​

Answer 1

Step-by-step explanation:

Mean = sum of all observation / total no. of observation

= 11 + 9 + 7 + 10 + 12 + 8 + 13 / 7

= 7 .

hope,this will help you.

Answer 2

$mean \: = 11 + 9 + 7 + 10 + 12 + 8 + 13 = 70$

Therefore,

$\frac{70}{7} = 10$

so, the answer is 10