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05 cdfT(
cdfT(lower limit, upper limit, degree of freedom)
Finds the T distribution probability within the specified range of x
for the T distribution with n degrees of freedom. A list cannot be
used.
Limitations:
Degree of freedom ≤ 670
• Degrees of freedom is a positive real number.
Example
Find the probability of range X =
0.5 to 3.2 for T distribution with 9
degrees of freedom.
2
2
06 pdfχ
(
pdfχ
(value, degree of freedom)
Finds the probability density of a specified value x for the χ
distribution with n degrees of freedom. A list cannot be used.
Limitations:
Degree of freedom ≤ 141
• Degree of freedom is a positive real number.
Example
Find the probability density of χ
distribution with 15 degrees of
freedom when x = 6.5.
2
2
07 cdfχ
(
cdfχ
(lower limit, upper limit, degree of freedom)
Finds the χ
2
χ
2
distribution with n degrees of freedom. A list cannot be used.
• Degree of freedom is a positive real number.
Example
Find the probability of range x =
3 to 15 for the χ
10 degrees of freedom.
Chapter 8: Statistics & Regression Calculations
2
distribution probability of a specified range of x for the
2
distribution with
2
181
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