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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software ModuleIan.Hollidayrwasp_Z-Test.wasp
Title produced by softwareZ-Test
Date of computationMon, 26 Oct 2009 05:43:47 -0600
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2009/Oct/26/t1256557539fvmmpqdyk1nnkt6.htm/, Retrieved Sun, 07 Jun 2026 02:27:33 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=50487, Retrieved Sun, 07 Jun 2026 02:27:33 +0000
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Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact349

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Z-Test ] [Simple Z-Test] [2009-10-18 11:54:08] [98fd0e87c3eb04e0cc2efde01dbafab6]
- R P     [Z-Test ] [z test for week 3...] [2009-10-26 11:43:47] [189ff526829b9a0820a29c498e804802] [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=50487&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=50487&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=50487&T=0

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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 = 93.36 ; par2 = 14.38 ; par3 = 70 ;
Parameters (R input):
par1 = 93.36 ; par2 = 14.38 ; par3 = 70 ;
R code (references can be found in the software module):
par1 <- as.numeric#par1# #mean
par2<- as.numeric#par2# # Standrad Deviation
par3<-as.numeric#par3# # value to test
z<-#par3-par1#/par2
load#file#'createtable'#
a<-table.start##
a<-table.row.start#a#
a<-table.element#a,hyperlink#'overview.htm','Simple Ztest','Z- Test'#,6,TRUE#
a<-table.row.end#a#
a<-table.row.start#a#
a<-table.element#a,hyperlink#'arithmetic_mean.htm','Mean','definition of Mean'#,1,TRUE#
a<-table.element#a,hyperlink#'unbiased1.htm','Standard Deviation','definition of Standard Deviation'#,1,TRUE#
a<-table.element#a,'Test value',1,TRUE#
a<-table.element#a,'Z-Score',1,TRUE#
a<-table.element#a,'p value',1,TRUE#
a<-table.row.end#a#
a<-table.row.start#a#
a<-table.element#a,par1,1,TRUE#
a<-table.element#a,par2,1,TRUE#
a<-table.element#a,par3,1,TRUE#
a<-table.element#a,z,1,TRUE#
a<-table.element#a,signif#pnorm#z#, digits#3#,1,TRUE#
a<-table.end#a#
table.save#a,file#'mytable.tab'#