Flashcards

IOP2601

Miss C.M 2013 1st SEM 3rd year English 16 cards

Cards in this deck (16)

1standard deviationSx=Sx2 square rooted
2slope / b valueNΣXY -ΣXΣY /(NΣX2-(ΣX)2)(NΣY2-(ΣY)2)
division part square rooted
3slope / b valueNΣXY -(ΣX)(ΣY) /(NΣX2-(ΣX)2
4intercept / a valuea=Y - bX
5regressionY =bX+ a
6z scorez=X-u/o
7f testSS total =Σx2 -(Σx)2 / N
SS group = nΣ(Xj-X...)2
SS error = SS total - SS group
dftotal=N-1..dfgroup=k-1.. dferror=k(n-1)
MSgroup=SStotal/dfgroup
MSerror=SSerror/dferror
F=MSgroup/MSerror
8chisquaredf =(R-1)(C-1)
9midpoint of class intervalRLL +(RUL- RLL) /2
10Percentile Rank% below+ score-RLL/class interv (interv%)
11Score of pRLL+PR-%below /interv% (interv width)
12ModeMo= most frequent occurring score
13Median locationN+1 /2
14Mean/ AverageX=ΣX/N
Y=ΣY/N
15Rangehighest score - lowest score
16VarianceSx2= (Σx2 -(Σx)2 /N
/(N - 1)

Description: 3rd year 2013 1st SEM Flashcards on IOP2601, created by Miss C.M on 27/05/2013.
Created by: Miss C.M
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