Resolved: statistics- Test for the mean, population variance known
Hi good day, please after calculating for the Z score in the screenshot below i'm getting a value different from the one you got. I got 100158.7. I guess there's something i'm not doing right, please help me out. kindly check for attachment below
1 answers ( 1 marked as helpful)
Hey Roman
You have to include parantheses into the formula.
