Answer i dont wanna fail this test

Answer is C.

Explanation:

So we have 100 data, aka numbers. So the mean would be


where bunch of x represents those data.

So then , right?

So we have six outliers with mean 688. That would be


So then

Now we don't know what i₁, i₂, etc, but we can just subtract outliers from set of observations and we will know that outliers will be gone in set of observation.

So that would be


Now we know that there are now 94 remaining observations. So to find mean, we just divide whole thing by 94.



Which matches C.

Hope this helps.