PSY Exam 2 Equations
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Last updated 2:18 AM on 4/2/26
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10 Terms
1
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S2
SS/df
2
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S2pooled
(df1/dftotal)(S12) + (df2/dftotal)(S22)
3
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SM2 (independent t-test)
S2pooled / N
4
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S2difference
SM12 + SM22
5
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Sdifference
√S2difference
6
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t
(M1 - M2) / (Sdifference)
7
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S2within
(S21 + S22 + S23) / Ngroups
8
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SM2 (on-way ANOVA)
∑(M-GM) / dfbetween
9
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S2between
(SM2)(n)
10
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F
(S2between) / (S2within)
