Step 2:
Calculate the
expectation value
x
and the
variance
s
2
of the temperature using that
probability density
p
(T)
1
( )d
d
2
T
T
x p x x
x x
D
D
x
D
2
2
2
1
(
)
d
(
) d
2
T
T
x
p x x
x T x
D
D
s
x
D
2
3
B
u
s
D
Expectation
value:
Variance:
Standard uncertainty:
5.2
T
2
1
3
D