User's Manual

20070201
u Student- t Distribution Probability
Student- t distribution probability calculates the probability of t distribution data falling
between two specifi c values.
a : lower boundary
b : upper boundary
Perform the following key operations from the statistical data list.
5 (DIST)
2 (t)
2 (tcd)
Data is specifi ed using parameter specifi cation. The following shows the meaning of each
item.
Lower .......................... lower boundary
Upper .......................... upper boundary
df ................................ degrees of freedom ( df > 0)
Save Res .................... list for storage of calculation results (None or List 1 to 26)
Execute ....................... executes a calculation
After setting all the parameters, use c to move the highlighting to “Execute” and then press
the function key shown below to perform the calculation.
• 1 (CALC) ... Performs the calculation.
p =
Γ
Γ
df
π
2
df
2
df + 1
–
df+1
2
df
x
2
1+
d
x
a
b
∫
p =
Γ
Γ
df
π
2
df
2
df + 1
–
df+1
2
df
x
2
1+
d
x
a
b
∫
# There is no graphing for Student- t distribution
probability.
6-7-8
Distribution