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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_hypothesisvariance1.wasp
Title produced by softwareTesting Variance - Critical Value (Region)
Date of computationFri, 22 Oct 2010 12:58:20 +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/22/t1287752231rn6dsda8w92hk3s.htm/, Retrieved Sun, 03 Dec 2023 04:50:27 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=87455, Retrieved Sun, 03 Dec 2023 04:50:27 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact220

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [Testing Variance - Critical Value (Region)] [Hypothesis Testing] [2010-10-22 12:58:20] [0cadca125c925bcc9e6efbdd1941e458] [Current]
- R P     [Testing Variance - Critical Value (Region)] [q8] [2010-10-25 17:02:25] [04d4386fa51dbd2ef12d0f1f80644886]
- R P     [Testing Variance - Critical Value (Region)] [q8 vrouwen] [2010-10-25 17:08:17] [04d4386fa51dbd2ef12d0f1f80644886]
F   P     [Testing Variance - Critical Value (Region)] [question 8 worksh...] [2010-10-25 17:19:42] [6ff9fb24bdca608d2f4f1f9db3f6445e]
F R P       [Testing Variance - Critical Value (Region)] [] [2010-10-26 12:33:57] [22937c5b58c14f6c22964f32d64ff823]
-   P     [Testing Variance - Critical Value (Region)] [Workshop 4, vraag...] [2010-10-25 18:53:25] [d6a5e6c1b0014d57cedb2bdfb4a7099f]
-           [Testing Variance - Critical Value (Region)] [] [2010-10-26 08:08:01] [1251ac2db27b84d4a3ba43449388906b]
-   P     [Testing Variance - Critical Value (Region)] [workshop 4, vraag...] [2010-10-25 18:56:13] [d6a5e6c1b0014d57cedb2bdfb4a7099f]
-           [Testing Variance - Critical Value (Region)] [] [2010-10-26 08:10:23] [1251ac2db27b84d4a3ba43449388906b]
-   P     [Testing Variance - Critical Value (Region)] [Workshop 4 Q 8] [2010-10-26 07:36:06] [247f085ab5b7724f755ad01dc754a3e8]
-   P     [Testing Variance - Critical Value (Region)] [Workshop 4 Q 8 de...] [2010-10-26 07:37:47] [247f085ab5b7724f755ad01dc754a3e8]
- R P     [Testing Variance - Critical Value (Region)] [] [2010-10-26 09:24:57] [4cb9d9226ff0df1b8fdf89cde6bcc828]
-   P     [Testing Variance - Critical Value (Region)] [oefening 4.8.1] [2010-10-26 13:20:42] [814f53995537cd15c528d8efbf1cf544]
-           [Testing Variance - Critical Value (Region)] [ws 4 q8] [2010-10-26 17:02:49] [c1a9f1d6a1a56eda57b5ddd6daa7a288]
-             [Testing Variance - Critical Value (Region)] [ws4 q8²] [2010-10-26 17:04:34] [c1a9f1d6a1a56eda57b5ddd6daa7a288]
-   P     [Testing Variance - Critical Value (Region)] [Workshop 4 - Task 8] [2010-10-26 13:50:19] [8d09066a9d3795298da6860e7d4a4400]
-   P     [Testing Variance - Critical Value (Region)] [WS4 Q8a] [2010-10-26 15:21:58] [c2a9e95daa10045f9fd6252038bcb219]
-   P       [Testing Variance - Critical Value (Region)] [ws4TimDamen] [2011-01-24 12:45:04] [74be16979710d4c4e7c6647856088456]
-   P     [Testing Variance - Critical Value (Region)] [] [2010-10-26 17:09:13] [8441f95c4a5787a301bc621ebc7904ca]
- R         [Testing Variance - Critical Value (Region)] [Q8 1] [2011-10-24 18:42:14] [0f81819b439c6e991d1a2004e9982756]
-   P         [Testing Variance - Critical Value (Region)] [Q8 2] [2011-10-24 18:43:31] [0f81819b439c6e991d1a2004e9982756]
- R P       [Testing Variance - Critical Value (Region)] [ws4-Q7M] [2011-10-25 16:27:25] [7e261c986c934df955dd3ac53e9d45c6]
-   P         [Testing Variance - Critical Value (Region)] [ws 4 -Q8M] [2011-10-25 21:32:11] [7e261c986c934df955dd3ac53e9d45c6]
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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'Sir Ronald Aylmer Fisher' @ 193.190.124.24

\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 & 'Sir Ronald Aylmer Fisher' @ 193.190.124.24 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=87455&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]'Sir Ronald Aylmer Fisher' @ 193.190.124.24[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=87455&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=87455&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 time1 seconds
R Server'Sir Ronald Aylmer Fisher' @ 193.190.124.24






Testing Variance - Critical value (region)
Sample size98
Sample variance13
Null hypothesis (H0)20
Type I error (alpha)0.35
Critical value18.7808801590011
ConclusionReject the null hypothesis

\begin{tabular}{lllllllll}
\hline
Testing Variance - Critical value (region) \tabularnewline
Sample size & 98 \tabularnewline
Sample variance & 13 \tabularnewline
Null hypothesis (H0) & 20 \tabularnewline
Type I error (alpha) & 0.35 \tabularnewline
Critical value & 18.7808801590011 \tabularnewline
Conclusion & Reject the null hypothesis \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=87455&T=1

[TABLE]
[ROW][C]Testing Variance - Critical value (region)[/C][/ROW]
[ROW][C]Sample size[/C][C]98[/C][/ROW]
[ROW][C]Sample variance[/C][C]13[/C][/ROW]
[ROW][C]Null hypothesis (H0)[/C][C]20[/C][/ROW]
[ROW][C]Type I error (alpha)[/C][C]0.35[/C][/ROW]
[ROW][C]Critical value[/C][C]18.7808801590011[/C][/ROW]
[ROW][C]Conclusion[/C][C]Reject the null hypothesis[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=87455&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=87455&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:

Testing Variance - Critical value (region)
Sample size98
Sample variance13
Null hypothesis (H0)20
Type I error (alpha)0.35
Critical value18.7808801590011
ConclusionReject the null hypothesis


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 0.98 ; par2 = 20 ;
Parameters (R input):
par1 = 98 ; par2 = 13 ; par3 = 20 ; 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')