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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 computationSun, 24 Oct 2010 17:09:53 +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/t1287940094px9umyie79e2sjt.htm/, Retrieved Sat, 04 May 2024 04:42:46 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=87927, Retrieved Sat, 04 May 2024 04:42:46 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact156

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-     [Maximum-likelihood Fitting - Normal Distribution] [Intrinsic Motivat...] [2010-10-12 11:57:21] [b98453cac15ba1066b407e146608df68]
-   PD  [Maximum-likelihood Fitting - Normal Distribution] [WS3 - Intr2 fitdi...] [2010-10-17 20:45:33] [b11c112f8986de933f8b95cd30e75cc2]
F RMPD    [Testing Mean with unknown Variance - Critical Value] [WS4 - Question 2] [2010-10-24 13:36:22] [b11c112f8986de933f8b95cd30e75cc2]
-    D      [Testing Mean with unknown Variance - Critical Value] [] [2010-10-24 15:15:58] [ed939ef6f97e5f2afb6796311d9e7a5f]
- RMPD        [Central Tendency] [] [2010-10-24 15:29:07] [74be16979710d4c4e7c6647856088456]
- RMPD          [Testing Mean with unknown Variance - Critical Value] [] [2010-10-24 16:52:23] [ed939ef6f97e5f2afb6796311d9e7a5f]
- RMPD              [Testing Variance - p-value (probability)] [] [2010-10-24 17:09:53] [f9aa24c2294a5d3925c7278aa2e9a372] [Current]
-                     [Testing Variance - p-value (probability)] [] [2010-10-24 17:11:42] [ed939ef6f97e5f2afb6796311d9e7a5f]
-   P                   [Testing Variance - p-value (probability)] [W4] [2010-10-26 09:02:00] [5ddc7dfb25e070b079c4c8fcccc4d42e]
-   P                     [Testing Variance - p-value (probability)] [WS4 Vraag 8] [2010-10-26 13:06:42] [9b13650c94c5192ca5135ec8a1fa39f7]
- RM                  [Testing Mean with known Variance - Sample Size] [] [2010-10-24 17:17:10] [ed939ef6f97e5f2afb6796311d9e7a5f]
-   P                   [Testing Mean with known Variance - Sample Size] [W4] [2010-10-26 09:03:52] [5ddc7dfb25e070b079c4c8fcccc4d42e]
-   P                     [Testing Mean with known Variance - Sample Size] [WS4 Vraag 9] [2010-10-26 13:11:19] [9b13650c94c5192ca5135ec8a1fa39f7]
-                           [Testing Mean with known Variance - Sample Size] [WS4 Vraag 10] [2010-10-26 13:12:25] [9b13650c94c5192ca5135ec8a1fa39f7]
- RM                  [Testing Mean with known Variance - Sample Size] [] [2010-10-24 17:18:50] [ed939ef6f97e5f2afb6796311d9e7a5f]
- RM                  [Minimum Sample Size - Testing Mean] [] [2010-10-24 17:22:15] [ed939ef6f97e5f2afb6796311d9e7a5f]
-   P                   [Minimum Sample Size - Testing Mean] [W4] [2010-10-26 09:13:54] [5ddc7dfb25e070b079c4c8fcccc4d42e]
-   P                     [Minimum Sample Size - Testing Mean] [WS4 Vraag 11] [2010-10-26 13:20:52] [9b13650c94c5192ca5135ec8a1fa39f7]
F   P                     [Minimum Sample Size - Testing Mean] [ws4q11] [2010-10-26 15:00:45] [ca5ab8c53423c489dac59e1a1d654047]
-   P                   [Minimum Sample Size - Testing Mean] [vraag 11 ws 4] [2010-10-26 20:58:24] [608064602fec1c42028cf50c6f981c88]
-   P                 [Testing Variance - p-value (probability)] [W4] [2010-10-26 08:59:16] [5ddc7dfb25e070b079c4c8fcccc4d42e]
-   P                   [Testing Variance - p-value (probability)] [WS4 Vraag 8] [2010-10-26 13:09:07] [9b13650c94c5192ca5135ec8a1fa39f7]
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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' @ 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=87927&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=87927&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=87927&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' @ 72.249.127.135






Testing Variance - p-value (probability)
Sample size98
Sample variance13.03
Null hypothesis (H0)13
Type I error (alpha)0.35
p-value (probability)0.474510156552382
ConclusionThere is no reason to reject the null hypothesis

\begin{tabular}{lllllllll}
\hline
Testing Variance - p-value (probability) \tabularnewline
Sample size & 98 \tabularnewline
Sample variance & 13.03 \tabularnewline
Null hypothesis (H0) & 13 \tabularnewline
Type I error (alpha) & 0.35 \tabularnewline
p-value (probability) & 0.474510156552382 \tabularnewline
Conclusion & There is no reason to reject the null hypothesis \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=87927&T=1

[TABLE]
[ROW][C]Testing Variance - p-value (probability)[/C][/ROW]
[ROW][C]Sample size[/C][C]98[/C][/ROW]
[ROW][C]Sample variance[/C][C]13.03[/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]0.474510156552382[/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=87927&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=87927&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 size98
Sample variance13.03
Null hypothesis (H0)13
Type I error (alpha)0.35
p-value (probability)0.474510156552382
ConclusionThere is no reason to reject the null hypothesis


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 0.97 ; par2 = 20 ;
Parameters (R input):
par1 = 98 ; par2 = 13.03 ; 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')