User Manual

tTest_2Samp
Catalog >
Computes a two-sample t test. A summary
of results is stored in the stat.results
variable. (See page 145.)
Test H
0
: μ1 = μ2, against one of the
following:
For H
a
: μ1< μ2, set Hypoth<0
For H
a
: μ1≠ μ2 (default), set Hypoth=0
For H
a
: μ1> μ2, set Hypoth>0
Pooled=1 pools variances
Pooled=0 does not pool variances
For information on the effect of empty
elements in a list, see “Empty (Void)
Elements,” page 196.
Output variable Description
stat.t Standard normal value computed for the difference of means
stat.PVal Smallest level of significance at whichthe null hypothesis can be rejected
stat.df Degrees of freedom for the t-statistic
stat.v1, stat.v2
Sample means of the data sequences in List 1 and List 2
stat.sx1, stat.sx2
Sample standard deviations of the data sequences inList 1 and List 2
stat.n1, stat.n2 Size of the samples
stat.sp
The pooled standard deviation. Calculated when Pooled=1.
tvmFV()
Catalog >
tvmFV(N,I,PV,Pmt,[PpY],[CpY],[PmtAt])
⇒ value
Financial function that calculates the future
value of money.
Note: Arguments used in the TVM functions
are described in the table of TVM
arguments, page 161. See also amortTbl(),
page 7.
tvmI()
Catalog >
tvmI(N,PV,Pmt,FV,[PpY],[CpY],[PmtAt])
⇒ value
Alphabetical Listing 159