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Solution_to_Problem__1

# Solution_to_Problem__1 - Problem H Information from the...

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Unformatted text preview: Problem H: Information from the problem: n1=20 n2218 n3=21 SSE=1,24O SSTR=740 Test the claim that the three kinds of sweaters all the same amount of time. (1) H0: H1: H2 = H3 H1: at least one mean is different (2) 3 means -~> ANOVA (3) OL = .05 dfnum E {-1 = 3'1 = 2 dfdenom : 11-!" = (20+18+21)“3 = 56 Forit = F.05,2,5e R5 3-23 (F.05,2,4o) (4) FR : MSTR 1 (SSTR)/(r-~1) 740/2 MSE (SSE)/(n—r) ” 1240/56 _ (5) Fcagc = 16.71 Fcrit "-= 3.23 Foalc > Fcfit ... rajeCt H0 The sweaters do not all last the same amount of time. 1322.... ﬁg >=o<m 52m mos—.00 mm mm 25 Flam mémEm gingham..." N «no 35 a 9.: be.“ mid... mm .— Nho MN; 3. 40.5. mm ‘— omo ...
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Solution_to_Problem__1 - Problem H Information from the...

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