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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_hypothesismeanu.wasp
Title produced by softwareTesting Mean with unknown Variance - Critical Value
Date of computationMon, 24 Oct 2011 13:19:33 -0400
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2011/Oct/24/t13194768606j99a9dgotybt9a.htm/, Retrieved Thu, 02 May 2024 04:20:48 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=134711, Retrieved Thu, 02 May 2024 04:20:48 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact129

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Testing Mean with unknown Variance - Critical Value] [] [2011-10-24 17:19:33] [1da2278adf472a53e0f224e682f25a48] [Current]
- R PD    [Testing Mean with unknown Variance - Critical Value] [] [2011-10-24 17:54:27] [c5b29addb16cc630d2ea8a9650ee6d6d]
-    D      [Testing Mean with unknown Variance - Critical Value] [] [2011-10-24 18:01:08] [c5b29addb16cc630d2ea8a9650ee6d6d]
- RM D      [Testing Mean with known Variance - Sample Size] [] [2011-10-24 18:44:19] [c5b29addb16cc630d2ea8a9650ee6d6d]
- R           [Testing Mean with known Variance - Sample Size] [] [2011-10-24 18:45:23] [c5b29addb16cc630d2ea8a9650ee6d6d]
-   P         [Testing Mean with known Variance - Sample Size] [] [2011-10-25 08:40:10] [c5b29addb16cc630d2ea8a9650ee6d6d]
- RMP         [Minimum Sample Size - Testing Mean] [] [2011-10-25 08:52:18] [c5b29addb16cc630d2ea8a9650ee6d6d]
-    D      [Testing Mean with unknown Variance - Critical Value] [] [2011-10-25 08:28:16] [74be16979710d4c4e7c6647856088456]
- RMPD      [Paired and Unpaired Two Samples Tests about the Mean] [WS5 - taak 1] [2012-10-25 14:31:33] [8ce6c7315af51b5eb6923c5fe455d382]
- RMP         [Paired and Unpaired Two Samples Tests about the Mean] [WS-paper 20] [2012-12-08 23:32:49] [8ce6c7315af51b5eb6923c5fe455d382]
- R PD        [Paired and Unpaired Two Samples Tests about the Mean] [WS-paper 21] [2012-12-08 23:51:24] [8ce6c7315af51b5eb6923c5fe455d382]
- R PD        [Paired and Unpaired Two Samples Tests about the Mean] [WS-paper 22] [2012-12-09 00:33:57] [8ce6c7315af51b5eb6923c5fe455d382]
- RMPD          [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [Ws-paper 38] [2012-12-17 16:18:37] [8ce6c7315af51b5eb6923c5fe455d382]
- R P             [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS-paper 39] [2012-12-19 13:56:19] [8ce6c7315af51b5eb6923c5fe455d382]
- R P             [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS-paper 40] [2012-12-19 16:55:37] [8ce6c7315af51b5eb6923c5fe455d382]
-   P             [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [WS-paper 41] [2012-12-19 16:58:50] [8ce6c7315af51b5eb6923c5fe455d382]
- RMPD      [Paired and Unpaired Two Samples Tests about the Mean] [WS5 - taak 2] [2012-10-25 15:27:40] [8ce6c7315af51b5eb6923c5fe455d382]
- RMPD      [Paired and Unpaired Two Samples Tests about the Mean] [WS5 - taak 3] [2012-10-25 16:04:22] [8ce6c7315af51b5eb6923c5fe455d382]
- RMPD      [Paired and Unpaired Two Samples Tests about the Mean] [WS5 - taak 5 a] [2012-10-25 20:00:31] [8ce6c7315af51b5eb6923c5fe455d382]
- RMPD      [Paired and Unpaired Two Samples Tests about the Mean] [WS5 - taak 5 b] [2012-10-25 20:24:23] [8ce6c7315af51b5eb6923c5fe455d382]
- RMPD      [Paired and Unpaired Two Samples Tests about the Mean] [WS5 - taak 5 c] [2012-10-25 20:49:22] [8ce6c7315af51b5eb6923c5fe455d382]
- RMPD      [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [WS5 - taak 6 a] [2012-10-25 21:58:31] [8ce6c7315af51b5eb6923c5fe455d382]
- R P         [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [WS-paper 26] [2012-12-09 01:22:27] [8ce6c7315af51b5eb6923c5fe455d382]
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Dataset

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Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time0 seconds
R Server'Herman Ole Andreas Wold' @ wold.wessa.net

\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 & 0 seconds \tabularnewline
R Server & 'Herman Ole Andreas Wold' @ wold.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=134711&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]0 seconds[/C][/ROW]
[ROW][C]R Server[/C][C]'Herman Ole Andreas Wold' @ wold.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=134711&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=134711&T=0

As an alternative you can also use a QR Code:  
QR Code


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 time0 seconds
R Server'Herman Ole Andreas Wold' @ wold.wessa.net






Hypothesis Test about the Mean - Confidence Interval
Sample size37
Sample standard deviation0.515524747966347
Confidence0.95
Null hypothesis0
Sample Mean0.108108108108108
2-sided Confidence Interval[ -0.0637764005340939 , 0.27999261675031 ]
Left-sided Confidence Interval[ -0.0349780717693695 , +inf ]
Right-sided Confidence Interval[ -inf, 0.251194287985586 ]

\begin{tabular}{lllllllll}
\hline
Hypothesis Test about the Mean - Confidence Interval \tabularnewline
Sample size & 37 \tabularnewline
Sample standard deviation & 0.515524747966347 \tabularnewline
Confidence & 0.95 \tabularnewline
Null hypothesis & 0 \tabularnewline
Sample Mean & 0.108108108108108 \tabularnewline
2-sided Confidence Interval & [ -0.0637764005340939 , 0.27999261675031 ] \tabularnewline
Left-sided Confidence Interval & [ -0.0349780717693695 , +inf ] \tabularnewline
Right-sided Confidence Interval & [ -inf,  0.251194287985586 ] \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=134711&T=1

[TABLE]
[ROW][C]Hypothesis Test about the Mean - Confidence Interval[/C][/ROW]
[ROW][C]Sample size[/C][C]37[/C][/ROW]
[ROW][C]Sample standard deviation[/C][C]0.515524747966347[/C][/ROW]
[ROW][C]Confidence[/C][C]0.95[/C][/ROW]
[ROW][C]Null hypothesis[/C][C]0[/C][/ROW]
[ROW][C]Sample Mean[/C][C]0.108108108108108[/C][/ROW]
[ROW][C]2-sided Confidence Interval[/C][C][ -0.0637764005340939 , 0.27999261675031 ][/C][/ROW]
[ROW][C]Left-sided Confidence Interval[/C][C][ -0.0349780717693695 , +inf ][/C][/ROW]
[ROW][C]Right-sided Confidence Interval[/C][C][ -inf,  0.251194287985586 ][/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=134711&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=134711&T=1

As an alternative you can also use a QR Code:  
QR Code


The GUIDs for individual cells are displayed in the table below:

Hypothesis Test about the Mean - Confidence Interval
Sample size37
Sample standard deviation0.515524747966347
Confidence0.95
Null hypothesis0
Sample Mean0.108108108108108
2-sided Confidence Interval[ -0.0637764005340939 , 0.27999261675031 ]
Left-sided Confidence Interval[ -0.0349780717693695 , +inf ]
Right-sided Confidence Interval[ -inf, 0.251194287985586 ]


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 0.95 ; par2 = 0 ;
Parameters (R input):
par1 = 0.95 ; par2 = 0 ;
R code (references can be found in the software module):
par1 <- as.numeric(par1)
par2 <- as.numeric(par2)
len <- length(x)
df <- len - 1
sd <- sd(x)
mx <- mean(x)
load(file='createtable')
delta2 <- abs(qt((1-par1)/2,df)) * sd / sqrt(len)
delta1 <- abs(qt((1-par1),df)) * sd / sqrt(len)
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Hypothesis Test about the Mean - Confidence Interval',2,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Sample size',header=TRUE)
a<-table.element(a,len)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Sample standard deviation',header=TRUE)
a<-table.element(a,sd)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Confidence',header=TRUE)
a<-table.element(a,par1)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Null hypothesis',header=TRUE)
a<-table.element(a,par2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Sample Mean',header=TRUE)
a<-table.element(a,mx)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'2-sided Confidence Interval',header=TRUE)
dum <- paste('[',mx-delta2)
dum <- paste(dum,',')
dum <- paste(dum,mx+delta2)
dum <- paste(dum,']')
a<-table.element(a,dum)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Left-sided Confidence Interval',header=TRUE)
dum <- paste('[',mx-delta1)
dum <- paste(dum,', +inf ]')
a<-table.element(a,dum)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Right-sided Confidence Interval',header=TRUE)
dum <- paste('[ -inf, ',mx+delta1)
dum <- paste(dum,']')
a<-table.element(a,dum)
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable.tab')