Last answered:

09 Jan 2022

Posted on:

15 Dec 2021

0

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 belowimage

1 answers ( 1 marked as helpful)
Posted on:

09 Jan 2022

0

Hey Roman
You have to include parantheses into the formula.
image.png

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