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  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#1 2013-03-03 05:37:55

jelm
Member
Registered: 2013-03-03
Posts: 1

Z scores

Q1  FOR Z IS ????

Q3 FOR Z IS ???


Hate statistics

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#2 2013-03-03 07:04:00

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 14,886

Re: Z scores

Hi jelm

You will need to post the questions if you expect someone to help you answer them...


“Here lies the reader who will never open this book. He is forever dead.

“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

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#3 2013-03-03 07:24:42

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 83,210

Re: Z scores

Hi jelm;

Welcome to the forum. Why hate it? It is a beautiful field.


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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