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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_hypothesismean4.wasp
Title produced by softwareTesting Mean with known Variance - Sample Size
Date of computationFri, 12 Nov 2010 09:06:50 +0000
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2010/Nov/12/t1289552708i22ek0v3jrjdklq.htm/, Retrieved Tue, 10 Feb 2026 19:28:59 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=94053, Retrieved Tue, 10 Feb 2026 19:28:59 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact298

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Factor Analysis] [Sleep in Mammals ...] [2010-03-21 11:39:53] [b98453cac15ba1066b407e146608df68]
- RMPD  [Testing Mean with unknown Variance - Critical Value] [Hypothesis Test a...] [2010-10-19 11:45:26] [b98453cac15ba1066b407e146608df68]
- RMPD    [Testing Mean with known Variance - Sample Size] [Vraag 9] [2010-11-11 16:50:31] [4f1a20f787b3465111b61213cdeef1a9]
-           [Testing Mean with known Variance - Sample Size] [Vraag 10] [2010-11-11 16:54:07] [4f1a20f787b3465111b61213cdeef1a9]
- R P           [Testing Mean with known Variance - Sample Size] [] [2010-11-12 09:06:50] [4e3652732e77bb1a104cdb5f8d687d01] [Current]
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Dataset

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'Gwilym Jenkins' @ 72.249.127.135

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input & view raw input (R code)  \tabularnewline
Raw Output & view raw output of R engine  \tabularnewline
Computing time & 1 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ 72.249.127.135 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=94053&T=0

[TABLE]
[ROW][C]Summary of computational transaction[/C][/ROW]
[ROW][C]Raw Input[/C][C]view raw input (R code) [/C][/ROW]
[ROW][C]Raw Output[/C][C]view raw output of R engine [/C][/ROW]
[ROW][C]Computing time[/C][C]1 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Gwilym Jenkins' @ 72.249.127.135[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=94053&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=94053&T=0

As an alternative you can also use a QR Code:  
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The GUIDs for individual cells are displayed in the table below:

Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'Gwilym Jenkins' @ 72.249.127.135


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 13 ; par2 = 20 ; par3 = 21 ; par4 = 0.05 ; par5 = 0.15 ;
Parameters (R input):
par1 = 13 ; par2 = 20 ; par3 = 21 ; par4 = 0.05 ; par5 = 0.15 ;
R code (references can be found in the software module):
par1<-as#numeric#par1#
par2<-as#numeric#par2#
par3<-as#numeric#par3#
par4<-as#numeric#par4#
par5<-as#numeric#par5#
c <- 'NA'
csn <- abs#qnorm#par5##
if #par2 == par3#
{
conclusion <- 'Error: the null hypothesis and alternative hypothesis must not be equal#'
}
ua <- abs#qnorm#par4##
ub <- qnorm#par5#
c <- #par2+ua/ub*#-par3##/#1-#ua/ub##
sqrtn <- ua*sqrt#par1#/#c - par2#
samplesize <- sqrtn * sqrtn
ua
ub
c
sqrtn
samplesize
load#file='createtable'#
a<-table#start##
a<-table#row#start#a#
a<-table#element#a,hyperlink#'http://www#xycoon#com/ht_mean_knownvar#htm','Testing Mean with known Variance','learn more about Statistical Hypothesis Testing about the Mean when the Variance is known'#,2,TRUE#
a<-table#row#end#a#
a<-table#row#start#a#
a<-table#element#a,'population variance',header=TRUE#
a<-table#element#a,par1#
a<-table#row#end#a#
a<-table#row#start#a#
a<-table#element#a,'null hypothesis about mean',header=TRUE#
a<-table#element#a,par2#
a<-table#row#end#a#
a<-table#row#start#a#
a<-table#element#a,'alternative hypothesis about mean',header=TRUE#
a<-table#element#a,par3#
a<-table#row#end#a#
a<-table#row#start#a#
a<-table#element#a,'type I error',header=TRUE#
a<-table#element#a,par4#
a<-table#row#end#a#
a<-table#row#start#a#
a<-table#element#a,'type II error',header=TRUE#
a<-table#element#a,par5#
a<-table#row#end#a#
a<-table#row#start#a#
a<-table#element#a,hyperlink#'http://www#xycoon#com/ht_mean_knownvar#htm#ex4','sample size','example'#,header=TRUE#
a<-table#element#a,samplesize#
a<-table#row#end#a#
a<-table#end#a#
table#save#a,file='mytable.tab'#