REPOST!!!! john c
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can u please help me understand , work and solve please. Let me know what you are charging .thanks
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S(Xi-X)=
S(Xi-X) 2=
N-1 =
s2 = S(Xi–X) 2=
N-1
r u
(SX)2
s2=SX2 –N=
N-1
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