Repository of Reproducible Computations

Free Statistics

of Irreproducible Research!

Author's title

Author

*The author of this computation has been verified*

R Software Module

rwasp_hypothesisvariance2.wasp

Title produced by software

Testing Variance - p-value (probability)

Date of computation

Fri, 22 Oct 2010 09:56:50 +0000

Cite this page as follows

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2010/Oct/22/t1287741571nnkswa6uwmbloda.htm/, Retrieved Sun, 09 Feb 2025 04:29:15 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=87361, Retrieved Sun, 09 Feb 2025 04:29:15 +0000

QR Codes:

Paste this QR Code to cite your computation.

Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

Estimated Impact

236

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 - p-value (probability)] [Vraag 8] [2010-10-22 09:56:50] [4b5105369ca2b03f8f7589f5d63124c0] [Current]
-   P         [Testing Variance - p-value (probability)] [Vraag 8 - vrouwen] [2010-10-22 11:38:57] [2960375a246cc0628590c95c4038a43c] 
-   P         [Testing Variance - p-value (probability)] [Vraag 8  Mannen] [2010-10-22 11:46:46] [2960375a246cc0628590c95c4038a43c] 
F               [Testing Variance - p-value (probability)] [question 8 males] [2010-10-24 11:25:52] [c1605865773cc027e55b238d879a644c] 
-                 [Testing Variance - p-value (probability)] [Vraag 8] [2010-10-26 17:02:07] [d7a673bc47e3999e70f4e1e2276e5189] 
F   P           [Testing Variance - p-value (probability)] [question 8 females] [2010-10-24 11:27:06] [c1605865773cc027e55b238d879a644c] 
F                 [Testing Variance - p-value (probability)] [Vraag 8 (deel 2)] [2010-10-26 17:03:37] [d7a673bc47e3999e70f4e1e2276e5189] 
-               [Testing Variance - p-value (probability)] [] [2010-10-26 17:07:31] [f3d662049ef6875ba0c96bb458434b66] 
-                 [Testing Variance - p-value (probability)] [] [2010-10-26 17:09:45] [f3d662049ef6875ba0c96bb458434b66] 
- RM              [Testing Mean with known Variance - Sample Size] [] [2010-10-26 17:19:59] [f3d662049ef6875ba0c96bb458434b66] 
-                   [Testing Mean with known Variance - Sample Size] [] [2010-10-26 17:21:58] [f3d662049ef6875ba0c96bb458434b66] 
- RM                [Minimum Sample Size - Testing Mean] [] [2010-10-26 17:29:25] [f3d662049ef6875ba0c96bb458434b66] 
- RMPD        [Testing Mean with unknown Variance - Critical Value] [Hypothesis 1] [2010-10-22 13:33:35] [2960375a246cc0628590c95c4038a43c] 
F    D          [Testing Mean with unknown Variance - Critical Value] [question 2   post...] [2010-10-24 10:59:22] [c1605865773cc027e55b238d879a644c] 
-    D            [Testing Mean with unknown Variance - Critical Value] [Test Hypothese 1] [2010-10-26 08:02:22] [d7a673bc47e3999e70f4e1e2276e5189] 
F RMPD              [Population Mean Test] [Hypothese 1 bewijs] [2010-10-26 21:36:53] [8620fc07154012ec3d982ccd5fe96f55] 
F RMPD              [Population Mean Test] [Bewijs hypothese 2] [2010-10-26 21:41:39] [8620fc07154012ec3d982ccd5fe96f55] 
-    D                [Population Mean Test] [Hypothese 3 bewijs] [2010-10-26 21:44:37] [8620fc07154012ec3d982ccd5fe96f55] 
-    D            [Testing Mean with unknown Variance - Critical Value] [Test Hypothese 2] [2010-10-26 08:06:11] [d7a673bc47e3999e70f4e1e2276e5189] 
-    D            [Testing Mean with unknown Variance - Critical Value] [Test Hypothese 3] [2010-10-26 08:07:50] [d7a673bc47e3999e70f4e1e2276e5189] 
F               [Testing Mean with unknown Variance - Critical Value] [Workshop 4: Quest...] [2010-10-24 12:21:18] [62f7c80c4d96454bbd2b2b026ea9aad9] 
-    D            [Testing Mean with unknown Variance - Critical Value] [Question 2a] [2010-10-26 21:56:41] [b9f5bf8f9089a40337275cf2fd2f13a1] 
-    D              [Testing Mean with unknown Variance - Critical Value] [Question 2b] [2010-10-26 22:04:28] [b9f5bf8f9089a40337275cf2fd2f13a1] 
-   PD            [Testing Mean with unknown Variance - Critical Value] [ws4-2-1] [2011-10-25 19:51:19] [f7a862281046b7153543b12c78921b36] 
-   PD            [Testing Mean with unknown Variance - Critical Value] [ws4-2-1] [2011-10-25 19:55:11] [f7a862281046b7153543b12c78921b36] 
-   PD            [Testing Mean with unknown Variance - Critical Value] [ws4-2-2] [2011-10-25 19:58:20] [f7a862281046b7153543b12c78921b36] 
-   PD            [Testing Mean with unknown Variance - Critical Value] [ws4-2-3] [2011-10-25 20:00:38] [f7a862281046b7153543b12c78921b36] 
-   PD            [Testing Mean with unknown Variance - Critical Value] [ws4-2-1] [2011-10-25 20:09:33] [f7a862281046b7153543b12c78921b36] 
- RMPD        [Testing Mean with unknown Variance - Critical Value] [Hypothesis 2] [2010-10-22 13:36:11] [2960375a246cc0628590c95c4038a43c] 
F    D          [Testing Mean with unknown Variance - Critical Value] [Workshop 4 - Ques...] [2010-10-24 12:36:50] [62f7c80c4d96454bbd2b2b026ea9aad9] 
F               [Testing Mean with unknown Variance - Critical Value] [Workshop 4: Quest...] [2010-10-24 12:49:42] [62f7c80c4d96454bbd2b2b026ea9aad9] 
-                 [Testing Mean with unknown Variance - Critical Value] [Question 2b] [2010-10-26 22:33:45] [b9f5bf8f9089a40337275cf2fd2f13a1] 
- RMPD        [Testing Mean with unknown Variance - Critical Value] [Hypothesis 3] [2010-10-22 13:39:41] [2960375a246cc0628590c95c4038a43c] 
- RMPD        [Testing Mean with unknown Variance - Critical Value] [Hypothesis 3] [2010-10-22 13:43:03] [2960375a246cc0628590c95c4038a43c] 
F   P           [Testing Mean with unknown Variance - Critical Value] [Hypothesis 3] [2010-10-24 07:34:32] [2960375a246cc0628590c95c4038a43c] 

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	1 seconds
R Server	'RServer@AstonUniversity' @ vre.aston.ac.uk

\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 & 'RServer@AstonUniversity' @ vre.aston.ac.uk \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=87361&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]'RServer@AstonUniversity' @ vre.aston.ac.uk[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=87361&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=87361&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	'RServer@AstonUniversity' @ vre.aston.ac.uk

Testing Variance - p-value (probability)
Sample size	99
Sample variance	13
Null hypothesis (H0)	13
Type I error (alpha)	0.35
p-value (probability)	0.518999306907192
Conclusion	There is no reason to reject the null hypothesis

\begin{tabular}{lllllllll}
\hline
Testing Variance - p-value (probability) \tabularnewline
Sample size & 99 \tabularnewline
Sample variance & 13 \tabularnewline
Null hypothesis (H0) & 13 \tabularnewline
Type I error (alpha) & 0.35 \tabularnewline
p-value (probability) & 0.518999306907192 \tabularnewline
Conclusion & There is no reason to reject the null hypothesis \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=87361&T=1

[TABLE]
[ROW][C]Testing Variance - p-value (probability)[/C][/ROW]
[ROW][C]Sample size[/C][C]99[/C][/ROW]
[ROW][C]Sample variance[/C][C]13[/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]p-value (probability)[/C][C]0.518999306907192[/C][/ROW]
[ROW][C]Conclusion[/C][C]There is no reason to reject the null hypothesis[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=87361&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=87361&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 - p-value (probability)
Sample size	99
Sample variance	13
Null hypothesis (H0)	13
Type I error (alpha)	0.35
p-value (probability)	0.518999306907192
Conclusion	There is no reason to reject the null hypothesis

Parameters (Session):

par1 = 13 ; par2 = 20 ; par3 = 21 ; par4 = 0.05 ; par5 = 0.05 ;

Parameters (R input):

par1 = 99 ; par2 = 13 ; 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
myc <- df * par2 / par3
myc
if (par2 > par3)
{
myp <- 1 - pchisq(myc,df)
} else {
myp <- pchisq(myc,df)
}
myp
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,hyperlink('ht_variance.htm','Testing Variance - p-value (probability)','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,'p-value (probability)',header=TRUE)
a<-table.element(a,myp)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Conclusion',header=TRUE)
if (myp > par4) 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')

Free Statistics

Description of Statistical Computation

Tree of Dependent Computations

Dataset

Tables (Output of Computation)

Figures (Output of Computation)

Input Parameters & R Code