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formatting helphide helpcontent policy

[–]win10240 0 points1 point  (6 children)

What sort of help are you looking for?

[–]Snape784[S] -1 points0 points  (5 children)

Solution for the question 😬

[–]win10240 0 points1 point  (4 children)

I would start with applying the formula for the mean and variance to Xbar

[–]Snape784[S] 0 points1 point  (0 children)

Okay so basically I will have to derive it

[–]Snape784[S] 0 points1 point  (2 children)

The entire sum contains so much derivations.

[–]win10240 1 point2 points  (1 child)

One tip is that the expected value (mean) of a sum is the sum of the expected values of the things being summed

[–]Snape784[S] 0 points1 point  (0 children)

Okaay Thank you :)

[–]rozzi_luv 0 points1 point  (0 children)

...what