
75-6 Environmental
and calculated MC values (dierence) are also shown. e predictability shown in the last column of
Tables75.1 and 75.2 is dened as the percentage of samples for which moisture content was calculated
wi
thin
1% of th
e
ai
r-oven
MC va
lues
. An R
2
value of 0.97, a low value of SEC (shown in Table 75.2),
relatively small dierences in the calculated and the oven MC values, and acceptable standard deviation
va
lues
su
ggest
th
e
su
itability
of Eq
uation
75.5 fo
r
MC pr
edictions
. e st
andard
er
ror
of ca
libration
(S
EC)*
wa
s
0.82 as sh
own
in Ta
ble
75.2 wh
ich
co
ntains
t
ness
me
asures
fo
r
th
e
ca
libration
se
t
. e me
an
ca
lculated
v
alues
a
gre ...