## Free Statistics

of Irreproducible Research!

Author's title
Author*The author of this computation has been verified*
R Software Modulerwasp_hypothesisvariance3.wasp
Title produced by softwareTesting Variance - Confidence Intervals for Sample Variance
Date of computationSun, 24 Oct 2010 18:13:45 +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/Oct/24/t1287943955d5bw9wlmvutnai0.htm/, Retrieved Mon, 04 Mar 2024 04:25:45 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=87954, Retrieved Mon, 04 Mar 2024 04:25:45 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact125
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 Variance - Confidence Intervals for Sample Variance] [Question 8 - males] [2010-10-22 17:24:18] [9894f466352df31a128e82ec8d720241]
-   P         [Testing Variance - Confidence Intervals for Sample Variance] [q8 : vrouwen] [2010-10-24 18:13:45] [09489ba95453d3f5c9e6f2eaeda915af] [Current]
Feedback Forum

Post a new message

 Summary of computational transaction Raw Input view raw input (R code) Raw Output view raw output of R engine Computing time 0 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 & 0 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ 72.249.127.135 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=87954&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]'Gwilym Jenkins' @ 72.249.127.135[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=87954&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=87954&T=0

As an alternative you can also use a QR Code:

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

 Summary of computational transaction Raw Input view raw input (R code) Raw Output view raw output of R engine Computing time 0 seconds R Server 'Gwilym Jenkins' @ 72.249.127.135

 Testing Variance - Confidence Intervals for Sample Variance Sample size 63 Null hypothesis (H0) 13 Confidence interval 0.65 Type of Interval Left tail Right tail Two-sided confidence interval at 0.65 10.8122865656370 15.1525916690979 Left one-sided confidence interval at 0.65 11.9870808512614 +inf Right one-sided confidence interval at 0.65 0 13.7753607125852 more information about confidence interval

\begin{tabular}{lllllllll}
\hline
Testing Variance - Confidence Intervals for Sample Variance \tabularnewline
Sample size & 63 \tabularnewline
Null hypothesis (H0) & 13 \tabularnewline
Confidence interval & 0.65 \tabularnewline
Type of Interval & Left tail & Right tail \tabularnewline
Two-sided confidence interval at  0.65 & 10.8122865656370 & 15.1525916690979 \tabularnewline
Left one-sided confidence interval at  0.65 & 11.9870808512614 & +inf \tabularnewline
Right one-sided confidence interval at  0.65 & 0 & 13.7753607125852 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=87954&T=1

[TABLE]
[ROW][C]Testing Variance - Confidence Intervals for Sample Variance[/C][/ROW]
[ROW][C]Sample size[/C][C]63[/C][/ROW]
[ROW][C]Null hypothesis (H0)[/C][C]13[/C][/ROW]
[ROW][C]Confidence interval[/C][C]0.65[/C][/ROW]
[ROW][C]Type of Interval[/C][C]Left tail[/C][C]Right tail[/C][/ROW]
[ROW][C]Two-sided confidence interval at  0.65[/C][C]10.8122865656370[/C][C]15.1525916690979[/C][/ROW]
[ROW][C]Left one-sided confidence interval at  0.65[/C][C]11.9870808512614[/C][C]+inf[/C][/ROW]
[ROW][C]Right one-sided confidence interval at  0.65[/C][C]0[/C][C]13.7753607125852[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=87954&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=87954&T=1

As an alternative you can also use a QR Code:

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

 Testing Variance - Confidence Intervals for Sample Variance Sample size 63 Null hypothesis (H0) 13 Confidence interval 0.65 Type of Interval Left tail Right tail Two-sided confidence interval at 0.65 10.8122865656370 15.1525916690979 Left one-sided confidence interval at 0.65 11.9870808512614 +inf Right one-sided confidence interval at 0.65 0 13.7753607125852 more information about confidence interval

Parameters (Session):
par1 = 63 ; par2 = 13 ; par3 = 0.65 ;
Parameters (R input):
par1 = 63 ; par2 = 13 ; par3 = 0.65 ;
R code (references can be found in the software module):
par1<-as.numeric(par1)par2<-as.numeric(par2)par3<-as.numeric(par3)df <- par1 - 1halfalpha <- (1 - par3) / 2ua <- qchisq(halfalpha,df) * par2 / dfub <- qchisq(1-halfalpha,df) * par2 / dfuaubul <- qchisq(1-par3,df) * par2 / dfulur <- qchisq(par3,df) * par2 / dfurload(file='createtable')a<-table.start()a<-table.row.start(a)a<-table.element(a,hyperlink('ht_variance.htm','Testing Variance - Confidence Intervals for Sample Variance','learn more about Statistical Hypothesis Testing about the Variance'),3,TRUE)a<-table.row.end(a)a<-table.row.start(a)a<-table.element(a,'Sample size',header=TRUE)a<-table.element(a,par1,2)a<-table.row.end(a)a<-table.row.start(a)a<-table.element(a,'Null hypothesis (H0)',header=TRUE)a<-table.element(a,par2,2)a<-table.row.end(a)a<-table.row.start(a)a<-table.element(a,'Confidence interval',header=TRUE)a<-table.element(a,par3,2)a<-table.row.end(a)a<-table.row.start(a)a<-table.element(a,'Type of Interval',header=TRUE)a<-table.element(a,'Left tail',header=TRUE)a<-table.element(a,'Right tail',header=TRUE)a<-table.row.end(a)a<-table.row.start(a)a<-table.element(a,paste('Two-sided confidence interval at ',par3), header=TRUE)a<-table.element(a,ua)a<-table.element(a,ub)a<-table.row.end(a)a<-table.row.start(a)a<-table.element(a,paste('Left one-sided confidence interval at ',par3), header=TRUE)a<-table.element(a,ul)a<-table.element(a,'+inf')a<-table.row.end(a)a<-table.row.start(a)a<-table.element(a,paste('Right one-sided confidence interval at ',par3), header=TRUE)a<-table.element(a,'0')a<-table.element(a,ur)a<-table.row.end(a)a<-table.row.start(a)a<-table.element(a, hyperlink('ht_variance.htm#ex3', 'more information about confidence interval','example'),3,TRUE)a<-table.row.end(a)a<-table.end(a)table.save(a,file='mytable.tab')