Unformatted text preview: Formula Sheet _—
2—H X Population Mean ’11— _ SS: E{X_ ”)2 Sum of Squared Deviations
Ieﬁnitiunal; P nuiation 35'— _ 20" _ “)2 Sum of Squared Deviations
(Deﬁnitional; Sample] 2 (2X)2 Sum of Squared Deviations
55 2 2X _ N (Computational; Population] ( X): Sum of Squared Deviations
35 = E X2 — 2” (Computationai; Sample)
0'2 = E Population Variance
N
33 Population Standard Deviation
o' = J—
N
£—
:1. — l
3 = 1 '—
n, — 1 ...
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 Spring '07
 Pfordesher

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