1003 / 1983
SD or SE ?
• SD = standard deviation =
(variance)
•
variance =
i
n
(x
i
- m)² / (n-1)
• SE(M) = standard error of the mean
•
SE =
(s²/n) << SD
• SD or SE ?
•
the author’s choice has to be explicit
|
|
1003 / 1983
SD or SE ?
• SD = standard deviation =
(variance)
•
variance =
i
n
(x
i
- m)² / (n-1)
• SE(M) = standard error of the mean
•
SE =
(s²/n) << SD
• SD or SE ?
•
the author’s choice has to be explicit