formula_sheet_exam_3 fall 2004

formula_sheet_exam_3 fall 2004 - PSYCHOLOGY 293 EXAM 3...

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Unformatted text preview: PSYCHOLOGY 293 EXAM 3 FORMULA SHEET CONFIDENCE INTERVALS: Based on z X z X X ts X s n or = where, X = or n ONE-WAY ANOVA (CONTINUED): = n 2 Mean Squares: MSgroup = F-ratio: Based on 1-sample t where, df = n 1 sX = s2 n SSgroup dfgroup F= MSgroup MSerror MSerror = Based on 2 ind.-samples t ( X 1 - X 2 ) ts x1 - x2 s2 p n2 df = (n1-1) + (n2-1) OR df = n1 + n2 - 2 SSerror dferror PROTECTED T (LSD) TEST: s x1 - x2 s2 p = n1 2 p + t= (X i - X j ) MS error MS error + ni nj df = dferror = N k 2 (n1 - 1) s12 + (n 2 - 1) s 2 where, s = (n1 + n 2 - 2) TWO-WAY ANOVA: Degrees of Freedom: df = n 1 Based on related-samples t where, D ts D s n 2 D dftotal = N 1 dfFactor B = k 1 dfFactor A = k 1 dfinteraction = dfFactor A * dfFactor B sD = or = sD n dferror = dftotal dfFactor A - dfFactor B - dfinteraction ONE-WAY ANOVA: Sums of Squares: SStotal = SSgroup + SSerror SSError = SSTotal SSgroup Degrees of freedom: dfgroup = k - 1 dferror = N k dftotal = N-1 Sums of Squares: SSTotal = SSFactor A + SSFactor B + SSinteraction + SSerror SSerror = SStotal SSFactor A - SSFactor B - SSinteraction TWO-WAY ANOVA (CONTINUED): Mean Squares: SS Factor _ A MSFactor A = df Factor _ A SS Factor _ B MSFactor B = df Factor _ B MSInteraction = df Interaction F tests: FFactor A = SS Interaction MSError = df Error SS Error MS Factor _ A MS Error FFactor B = MS Factor _ B MS Error FInteraction MS Interaction = MS Error ...
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formula_sheet_exam_3 fall 2004 - PSYCHOLOGY 293 EXAM 3...

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