307
k
k
k
k
k
Student-
t
Distribution
You can use the following menu to select from the different types of Student-
t
distribution.
• {
tpd
}
/
{
tcd
} ... {Student-
t
probability density}/{Student-
t
distribution probability}
calculation
u
u
u
u
u
Student-
t
probability density
Student-
t
probability density calculates whether data taken from a
t
distribution is
less than a specific value.
f
(
x
) =
-
-
df
$
–
df
+
1
2
2
df
2
df
+ 1
df
1 +
x
2
Perform the following key operation from the statistical data list.
5
(DIST)
2
(
t
)
1
(tpd)
Data is specified using parameter specification. The following shows the meaning
of each item.
x
..................... data
df
.................... degrees of freedom (
df
>
1)
Execute .......... executes a calculation or draws a graph
Example
To calculate Student-
t
probability density for a specific
parameter value
For this example, we will calculate Student-
t
probability density
when
x
= 1 and degrees of freedom = 2.
b
w
c
w
1
(CALC)
p
(
x
) ................. Student-
t
probability density
Distribution
18 - 8
Summary of Contents for CFX-9970G
Page 22: ... CFX 9970G ...
Page 452: ...435 1 2 3 4 5 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 453: ...436 Program for Circle and Tangents No 4 Step Key Operation Display 6 7 8 9 10 ...
Page 454: ...437 11 12 13 14 15 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 455: ...438 16 17 18 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 458: ...441 1 2 3 4 5 Program for Rotating a Figure No 5 Step Key Operation Display ...
