10.6
Formulas
df
total
=
df
X
+
df
Y
(p. 254)
(p. 254)
(p. 254)
(p. 254)
(p. 255)
(p. 255)
(p. 256)
(
M
X
−
M
Y
)
upper
=
t
(
s
difference
) + (
M
X
−
M
Y
)
sample
(p. 259)
(
M
X
−
M
Y
)
lower
= −
t
(
s
difference
) + (
M
X
−
M
Y
)
sample
(p. 259)
(p. 261)
(p. 262)