Symbols Flashcards
1
Q
Σ
A
Sum
2
Q
A
Hat / circumflex. Used above a parameter to denote an estimate.
3
Q
α
A
Alpha. Probability of Type I error
4
Q
β
A
Beta. Probability of Type II error; or population regression coefficient
5
Q
CI
A
Confidence interval
6
Q
CV
A
Coefficient of variation
7
Q
Δ
A
Delta / change
8
Q
δ
A
Delta / true sampling error
9
Q
ε
A
Epsilon / True experimental error
10
Q
H0
A
Null hypothesis
11
Q
H1
A
Alternate hypothesis
12
Q
HR
A
Hazards ratio
13
Q
κ
A
Kappa statistic
14
Q
μ
A
Population mean
15
Q
n
A
Size of a subsample
16
Q
N
A
Total sample size
17
Q
OR
A
Odds ratio
18
Q
P
A
Statistical probability
19
Q
χ²
A
Chi squared test
20
Q
r
A
Bivariate correlation coefficient
21
Q
R
A
Multivariate correlation coefficient
22
Q
RR
A
Relative risk
23
Q
ρ
A
Rho / population coefficient
24
Q
SD
A
Standard deviation of a sample
25
SE
Standard error
26
SEM
Standard error of the mean
27
ρ
Mann-Whitney U (Wilcoxon) test
28
z
Z score
29
F
F-statistic used for ANOVA
30
D
Cohen’s D, used to demonstrate the effect size in t-tests
