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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_hypothesisvariance2.wasp
Title produced by softwareTesting Variance - p-value (probability)
Date of computationWed, 12 Dec 2012 09:45:57 -0500
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2012/Dec/12/t13553235753txcqtftoaxu3op.htm/, Retrieved Sun, 28 Apr 2024 23:33:29 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=198918, Retrieved Sun, 28 Apr 2024 23:33:29 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact112

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Variability] [] [2011-10-13 20:33:03] [db02340d173e1867f482a5214ce3fc15]
- R  D  [Variability] [1 sample chi squa...] [2012-12-12 14:22:04] [2c4ddb4bf62114b8025bb962e2c7a2b5]
- RM D      [Testing Variance - p-value (probability)] [1 sample chi squa...] [2012-12-12 14:45:57] [b4b733de199089e913cc2b6ea19b06b9] [Current]
- RMPD        [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [Chi-squared test ...] [2012-12-19 08:47:34] [2c4ddb4bf62114b8025bb962e2c7a2b5]
- R PD          [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [] [2012-12-19 19:53:14] [4b0edecb327fe9610ec304ac894b5e33]
- RMPD            [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [] [2012-12-19 21:14:45] [4b0edecb327fe9610ec304ac894b5e33]
- R PD          [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [Chi-squared test ...] [2012-12-21 19:59:22] [2c4ddb4bf62114b8025bb962e2c7a2b5]
- RM D            [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [1 way anova 5] [2012-12-21 21:40:29] [2c4ddb4bf62114b8025bb962e2c7a2b5]
- R                 [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [one way ANOVA 5] [2012-12-21 21:53:47] [2c4ddb4bf62114b8025bb962e2c7a2b5]
- R  D              [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [one way ANOVA T20] [2012-12-21 22:12:23] [2c4ddb4bf62114b8025bb962e2c7a2b5]
-    D                [One-Way-Between-Groups ANOVA- Free Statistics Software (Calculator)] [one way ANOVA T40] [2012-12-21 22:57:38] [2c4ddb4bf62114b8025bb962e2c7a2b5]
- RM D                [Multiple Regression] [meervoudige regre...] [2012-12-21 23:21:10] [2c4ddb4bf62114b8025bb962e2c7a2b5]
- R                     [Multiple Regression] [meervoudige regre...] [2012-12-21 23:32:34] [2c4ddb4bf62114b8025bb962e2c7a2b5]
-    D                  [Multiple Regression] [meervoudige regre...] [2012-12-21 23:48:46] [2c4ddb4bf62114b8025bb962e2c7a2b5]
- R PD          [Chi-Squared Test, McNemar Test, and Fisher Exact Test] [Chi-squared test ...] [2012-12-21 20:27:20] [2c4ddb4bf62114b8025bb962e2c7a2b5]
- RMP         [Minimum Sample Size - Testing Mean] [minimum sample size] [2012-12-19 09:09:46] [2c4ddb4bf62114b8025bb962e2c7a2b5]
- RM D        [Pearson Correlation] [correlatie] [2012-12-22 18:39:34] [2c4ddb4bf62114b8025bb962e2c7a2b5]
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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 time0 seconds
R Server'Gwilym Jenkins' @ jenkins.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 & 'Gwilym Jenkins' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=198918&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' @ jenkins.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=198918&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=198918&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'Gwilym Jenkins' @ jenkins.wessa.net






Testing Variance - p-value (probability)
Sample size40
Sample variance26.26
Null hypothesis (H0)0.17
Type I error (alpha)0.05
p-value (probability)0
ConclusionReject the null hypothesis

\begin{tabular}{lllllllll}
\hline
Testing Variance - p-value (probability) \tabularnewline
Sample size & 40 \tabularnewline
Sample variance & 26.26 \tabularnewline
Null hypothesis (H0) & 0.17 \tabularnewline
Type I error (alpha) & 0.05 \tabularnewline
p-value (probability) & 0 \tabularnewline
Conclusion & Reject the null hypothesis \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=198918&T=1

[TABLE]
[ROW][C]Testing Variance - p-value (probability)[/C][/ROW]
[ROW][C]Sample size[/C][C]40[/C][/ROW]
[ROW][C]Sample variance[/C][C]26.26[/C][/ROW]
[ROW][C]Null hypothesis (H0)[/C][C]0.17[/C][/ROW]
[ROW][C]Type I error (alpha)[/C][C]0.05[/C][/ROW]
[ROW][C]p-value (probability)[/C][C]0[/C][/ROW]
[ROW][C]Conclusion[/C][C]Reject the null hypothesis[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=198918&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=198918&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 - p-value (probability)
Sample size40
Sample variance26.26
Null hypothesis (H0)0.17
Type I error (alpha)0.05
p-value (probability)0
ConclusionReject the null hypothesis


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
Parameters (R input):
par1 = 40 ; par2 = 26.26 ; par3 = 0.17 ; par4 = 0.05 ;
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')