Application Guide

Output variable Description
stat.n Length of the data sequence with sample mean
stat.σ Knownpopulation standard deviation for data sequence List
zInterval_1Prop
Catalog >
zInterval_1Prop x,n [,CLevel]
Computes a one-proportion z confidence
interval. A summary of results is stored in
the stat.results variable. (See page 177.)
x is a non-negative integer.
For information on the effect of empty
elements in a list, see “Empty (Void)
Elements,” page 236.
Output variable Description
stat.CLower, stat.CUpper Confidence interval containing confidence level probability of distribution
stat.Ç The calculated proportion of successes
stat.ME Margin of error
stat.n Number of samples in data sequence
zInterval_2Prop
Catalog >
zInterval_2Prop x1,n1,x2,n2[,CLevel]
Computes a two-proportion z confidence
interval. A summary of results is stored in
the stat.results variable. (See page 177.)
x1 and x2 are non-negative integers.
For information on the effect of empty
elements in a list, see “Empty (Void)
Elements,” page 236.
Output variable Description
stat.CLower, stat.CUpper Confidence interval containing confidence level probability of distribution
stat.Ç Diff The calculated difference between proportions
stat.ME Margin of error
Alphabetical Listing 205