Sharp el-9950 - Page 181

180
Chapter 8: Statistics & Regression Calculations
03 InvNorm( InvNorm(probability [, mean, standard deviation])
Findsthevalueofxofagivennormaldistributionprobability.Alist
cannot be used.
* When mean (
µ
) and standard deviation (
s
) are omitted,
µ
= 0 and
s
= 1 are applied.
Example
Findthevalueofxforthe
probability of 0.8 in the above
sample.
04 pdfT( pdfT(value, degree of freedom)
FindstheprobabilitydensityofaspeciedvaluexfortheT
distributionwithndegreesoffreedom.Alistcannotbeused.
Limitations:
Degree of freedom
≤
140
• Degreesoffreedomisapositiverealnumber.
If decimal values are used for the degrees of freedom, the
calculator uses the closest integer of the given degree of
freedom.
• Anerrormayoccurwhenanextremelylargenumberisentered
for degree of freedom.
Example
Findtheprobabilitydensityof
the T distribution with 9 degrees
of freedom when x = 2.5.