Question

Why we took 'a' assume mean as 0.10 not as 0.14. Please answer a suitable & understandable. See attachment :

Note : It's answer is 0.099 ppm
and when I took assume mean as 0.14 then it's coming as 0.088.​

Answer 1

Answer:

hloo mate...

here's ur answer...

you can take a=0.14 also..

if there are even no. of xi. then you can take any of the two in between..

look at ur calculations...

there may be some mistake in that..

otherwise if no mistake is there then also ur answer is correct.. as 0.09 is approximately equals to 0.08.

hope it helps..

plzz mark brainiest.