308
Perform the following key operation to display a graph.
J
cc
6
(DRAW)
u
u
u
u
u
Student-
t
distribution probability
Student-
t
distribution probability calculates the probability of
t
distribution data
falling between two specific values.
p
=
-
-
df
$
2
df
2
df
+ 1
–
df
+1
2
df
1 +
x
2
dx
a
b
*
a
: lower boundary
b
: upper boundary
Perform the following key operation from the statistical data list.
5
(DIST)
2
(
t
)
2
(tcd)
Data is specified using parameter specification. The following shows the meaning
of each item.
Lower ............. lower boundary
Upper ............. upper boundary
df
.................... degrees of freedom (
df
>
1)
Execute .......... executes a calculation
Example
To calculate Student-
t
distribution probability for a specific
parameter value
For this example, we will calculate Student-
t
distribution
probability when lower boundary = –2, upper boundary = 3, and
degrees of freedom = 18.
-
c
w
d
w
bi
w
1
(CALC)
prob ................ Student-
t
distribution probability
18 - 8
Distribution
Summary of Contents for CFX-9970G
Page 22: ... CFX 9970G ...
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