Texas Instruments TINSPIRE Reference Guide - Page 118

Z, CLevel, stat.results

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Z zInterval zInterval s,List[,Freq[,CLevel]] (Data list input) zInterval s,v,n [,CLevel] (Summary stats input) Computes a z confidence interval. A summary of results is stored in the stat.results variable. (See page 97.) For information on the effect of empty elements in a list, see "Empty (void) elements" on page 131. Output variable Description stat.CLower, stat.CUpper Confidence interval for an unknown population mean stat.x Sample mean of the data sequence from the normal random distribution stat.ME Margin of error stat.sx Sample standard deviation stat.n Length of the data sequence with sample mean stat.s Known population standard deviation for data sequence List zInterval_1Prop 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 97.) x is a non-negative integer. For information on the effect of empty elements in a list, see "Empty (void) elements" on page 131. 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 Catalog > Catalog > 112 TI-Nspire™ Reference Guide

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112
TI-Nspire™ Reference Guide
Z
zInterval
Catalog >
zInterval
s
,
List
[
,
Freq
[
,
CLevel
]]
(Data list input)
zInterval
s
,
v
,
n
[
,
CLevel
]
(Summary stats input)
Computes a
z
confidence interval. A summary of results is stored in
the
stat.results
variable. (See page 97.)
For information on the effect of empty elements in a list, see “Empty
(void) elements” on page 131.
Output variable
Description
stat.CLower, stat.CUpper
Confidence interval for an unknown population mean
stat.
x
Sample mean of the data sequence from the normal random distribution
stat.ME
Margin of error
stat.sx
Sample standard deviation
stat.n
Length of the data sequence with sample mean
stat.
s
Known population 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 97.)
x
is a non-negative integer.
For information on the effect of empty elements in a list, see “Empty
(void) elements” on page 131.
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