Table 3.
Interval
Numerically, X
N
i
/N, %
Expected values for Gaussian distribution, %
From X
avg
-
s
to X
avg
+
s
From To
.
68
From X
avg
- 2
s
to X
avg
+ 2
s
From To
.
95
From X
avg
- 3
s
to X
avg
+ 3
s
From To
.
99