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Stats notation
Introduction to notation in statistics
26
Mathematics
Graduate
09/24/2011
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Term
μ
 Definition
Population mean
Term
σ
 Definition
Standard deviation of population mean
Term
s
 Definition
Standard deviation of the mean
Term
sx
 Definition
Point estimate of σ from s
Term
zcv
 Definition
Z-score/critical value
Term
α
 Definition
Chance of making a type I error
Term
σx
 Definition
Stanndard error of the mean
Term
p
 Definition
Proportion
Term
sp
 Definition
Standard error of proportion
Term
αer
 Definition
Experiment-wise error
Term
αpc
 Definition
Per comparison rate
Term
c
 Definition
Number of comparisons
Term
σ2
 Definition
Population variance
Term
Fmax
 Definition
Ratio of largest-to-smallest variance
Term
j
 Definition
Group number
Term
k
 Definition
Number of groups
Term
nj
 Definition
Number of scores in the jth group
Term
nG
 Definition
Total number of scores
Term
i
 Definition
Individual score/number
Term
xij
 Definition
ith value in jth group
Term
xj
 Definition
Mean of jth group
Term
xG
 Definition
Grand mean
Term
dM
 Definition
Maximum standardized effect size
Term
η2
 Definition
Percent variance accounted for by manipulation
Term
ω2
 Definition
Unbiased percent variance accounted for by manipulation
Term
CV
 Definition
Coefficient of variation
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