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R Software Module

rwasp_hypothesisvariance1.wasp

Title produced by software

Testing Variance - Critical Value (Region)

Date of computation

Mon, 25 Oct 2010 21:48:04 +0000

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Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2010/Oct/25/t1288043532phj41g2mwbpfvum.htm/, Retrieved Fri, 09 May 2025 12:10:35 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=88622, Retrieved Fri, 09 May 2025 12:10:35 +0000

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This computation is/was private until 2010-10-27

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Estimated Impact

696

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)

-       [Testing Variance - Critical Value (Region)] [] [2010-10-25 21:48:04] [d76b387543b13b5e3afd8ff9e5fdc89f] [Current]
-         [Testing Variance - Critical Value (Region)] [Workshop 4 questi...] [2010-10-29 11:35:34] [87d60b8864dc39f7ed759c345edfb471] 
-           [Testing Variance - Critical Value (Region)] [W4 - verbetering 8] [2010-11-02 06:42:11] [48146708a479232c43a8f6e52fbf83b4] 
-         [Testing Variance - Critical Value (Region)] [Oplossing Questio...] [2010-11-18 12:51:34] [1ec36cc0fd92fd0f07d0b885ce2c369b] 
-   P     [Testing Variance - Critical Value (Region)] [] [2010-11-18 16:24:37] [f47feae0308dca73181bb669fbad1c56] 
-         [Testing Variance - Critical Value (Region)] [Vraag 8.1] [2010-11-18 18:36:25] [74be16979710d4c4e7c6647856088456] 
-         [Testing Variance - Critical Value (Region)] [Vraag 8.1] [2010-11-18 18:36:25] [4f1a20f787b3465111b61213cdeef1a9] 
- R P     [Testing Variance - Critical Value (Region)] [I1M var] [2011-10-21 14:22:42] [74b1e5a3104ff0b2404b2865a63336ad] 
- R         [Testing Variance - Critical Value (Region)] [I1M variance] [2011-10-21 14:32:25] [74b1e5a3104ff0b2404b2865a63336ad] 
-  M          [Testing Variance - Critical Value (Region)] [I1M variance] [2011-10-21 14:32:49] [74b1e5a3104ff0b2404b2865a63336ad] 
- R P     [Testing Variance - Critical Value (Region)] [task 8 vrouwen] [2011-10-21 14:30:40] [379dab8110dbf77cfcc4b7951c3a599f] 
-           [Testing Variance - Critical Value (Region)] [task 8 mannen] [2011-10-21 14:32:05] [379dab8110dbf77cfcc4b7951c3a599f] 
- R P     [Testing Variance - Critical Value (Region)] [WS4.8] [2011-10-25 15:36:12] [9b13650c94c5192ca5135ec8a1fa39f7] 
- R       [Testing Variance - Critical Value (Region)] [Vraag 8 A] [2012-10-08 17:21:18] [bc2c61a583a6186666a33616ccc196e4] 
- RMPD    [Variability] [Workshop 4 - Task...] [2012-10-23 08:09:23] [000f7cd337b3382b4028da000456dfed] 
- R P     [Testing Variance - Critical Value (Region)] [Workshop 4 - Task 8] [2012-10-23 08:19:33] [000f7cd337b3382b4028da000456dfed] 
- R       [Testing Variance - Critical Value (Region)] [WS 4 vraag 8] [2013-10-30 16:28:36] [16ce55620e4b91ec00a4b56aea2a2582] 
-   P       [Testing Variance - Critical Value (Region)] [WS 4 vraag 8] [2013-10-30 16:35:59] [16ce55620e4b91ec00a4b56aea2a2582] 
-   P         [Testing Variance - Critical Value (Region)] [Ws 4 vraag 8] [2013-10-30 16:36:47] [16ce55620e4b91ec00a4b56aea2a2582] 
-   P       [Testing Variance - Critical Value (Region)] [WS ] [2013-10-30 23:46:23] [16ce55620e4b91ec00a4b56aea2a2582] 

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Summary of computational transaction
Raw Input	view raw input (R code)
Raw Output	view raw output of R engine
Computing time	1 seconds
R Server	'George Udny Yule' @ 72.249.76.132

\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 & 'George Udny Yule' @ 72.249.76.132 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=88622&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]'George Udny Yule' @ 72.249.76.132[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=88622&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=88622&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	1 seconds
R Server	'George Udny Yule' @ 72.249.76.132

Testing Variance - Critical value (region)
Sample size	63
Sample variance	14
Null hypothesis (H0)	13
Type I error (alpha)	0.35
Critical value	13.7753607125852
Conclusion	Reject the null hypothesis

\begin{tabular}{lllllllll}
\hline
Testing Variance - Critical value (region) \tabularnewline
Sample size & 63 \tabularnewline
Sample variance & 14 \tabularnewline
Null hypothesis (H0) & 13 \tabularnewline
Type I error (alpha) & 0.35 \tabularnewline
Critical value & 13.7753607125852 \tabularnewline
Conclusion & Reject the null hypothesis \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=88622&T=1

[TABLE]
[ROW][C]Testing Variance - Critical value (region)[/C][/ROW]
[ROW][C]Sample size[/C][C]63[/C][/ROW]
[ROW][C]Sample variance[/C][C]14[/C][/ROW]
[ROW][C]Null hypothesis (H0)[/C][C]13[/C][/ROW]
[ROW][C]Type I error (alpha)[/C][C]0.35[/C][/ROW]
[ROW][C]Critical value[/C][C]13.7753607125852[/C][/ROW]
[ROW][C]Conclusion[/C][C]Reject the null hypothesis[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=88622&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=88622&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 - Critical value (region)
Sample size	63
Sample variance	14
Null hypothesis (H0)	13
Type I error (alpha)	0.35
Critical value	13.7753607125852
Conclusion	Reject the null hypothesis

Parameters (Session):

par1 = 63 ; par2 = 14 ; par3 = 13 ; par4 = 0.35 ;

Parameters (R input):

par1 = 63 ; par2 = 14 ; par3 = 13 ; par4 = 0.35 ;

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)
df <- par1 - 1
if (par2 > par3)
{
myc <- par3 / df * qchisq(1-par4,df)
} else {
myc <- par3 / df * qchisq(par4,df)
}
myc
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,hyperlink('ht_variance.htm','Testing Variance - Critical value (region)','learn more about Statistical Hypothesis Testing about the Variance'),2,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Sample size',header=TRUE)
a<-table.element(a,par1)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Sample variance',header=TRUE)
a<-table.element(a,par2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Null hypothesis (H0)',header=TRUE)
a<-table.element(a,par3)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Type I error (alpha)',header=TRUE)
a<-table.element(a,par4)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Critical value',header=TRUE)
a<-table.element(a,myc)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Conclusion',header=TRUE)
if (par2 > par3)
{
if (par2 < myc) a<-table.element(a,'There is no reason to reject the null hypothesis') else a<-table.element(a,'Reject the null hypothesis')
} else {
if (par2 > myc) a<-table.element(a,'There is no reason to reject the null hypothesis') else a<-table.element(a,'Reject the null hypothesis')
}
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable.tab')

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