Table 4. Symbols used in statistics
PopulationSample
symbol symbolExplanation
F
H0
N
n
P
r
s
s2
variance ratio [F-test]
null hypothesis
number of subjects (population or lot size)
number of subjects
probability of wrongly rejecting the null
hypothesis
R
coefficient of multiple correlation, range of
a sample r
coefficient of correlation
s
standard deviation
s2variance
sx_
standard error of the mean t
_
_
Xx
a
b
c2
v
statistic derived in Student t-test arithmetic mean
probability of a type I error; significant
level
probability of a type II error
statistic derived in chi-square test number of degrees of freedom
“SD” is not recommended as an abbreviation for “standard deviation”.
“SEM” is not recommended as an abbreviation for “standard error of the
mean”. Cited from: Scietific style and format by the CBE manual for
authors, editors, and publishers. 6th ed. P. 217, Table 11-13.
使用記号のタイピングが困難な場合は代用コード欄を作り、
s-x, standard error of the mean ; . . . などまとめる .