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Author's title

Author

*The author of this computation has been verified*

R Software Module

rwasp_hypothesismeanu.wasp

Title produced by software

Testing Mean with unknown Variance - Critical Value

Date of computation

Mon, 08 Oct 2012 03:35:11 -0400

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/2012/Oct/08/t1349681738thij0sbjstrhi1w.htm/, Retrieved Thu, 02 May 2024 08:26:52 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=173207, Retrieved Thu, 02 May 2024 08:26:52 +0000

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User-defined keywords

Estimated Impact

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

-       [Testing Mean with unknown Variance - Critical Value] [Treatment T] [2012-10-08 07:35:11] [b262fb17dc370e47870f909f9ce3690a] [Current]
-    D    [Testing Mean with unknown Variance - Critical Value] [Treatment E] [2012-10-08 07:40:36] [8cc09667e588c76c8c3bfb3e2ed3290a] 
-    D    [Testing Mean with unknown Variance - Critical Value] [Treatment S] [2012-10-08 07:49:06] [8cc09667e588c76c8c3bfb3e2ed3290a] 
-    D    [Testing Mean with unknown Variance - Critical Value] [Treatment T] [2012-10-08 07:56:48] [8cc09667e588c76c8c3bfb3e2ed3290a] 
-    D    [Testing Mean with unknown Variance - Critical Value] [TreatmentE] [2012-10-08 07:59:06] [8cc09667e588c76c8c3bfb3e2ed3290a] 
-    D    [Testing Mean with unknown Variance - Critical Value] [Treatment S] [2012-10-08 08:01:44] [8cc09667e588c76c8c3bfb3e2ed3290a] 

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Dataseries X:

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Histogram

Boxplots

26		21		21		23		17		23		4		127	
20		16		15		24		17		20		4		108	
19		19		18		22		18		20		6		110	
	19		18		11		20		21		21		8		102
20		16		8		24		20		24		8		104	
25		23		19		27		28		22		4		140	
	25		17		4		28		19		23		4		112
22		12		20		27		22		20		8		115	
26		19		16		24		16		25		5		121	
22		16		14		23		18		23		4		112	
	17		19		10		24		25		27		4		118
	22		20		13		27		17		27		4		122
19		13		14		27		14		22		4		105	
24		20		8		28		11		24		4		111	
26		27		23		27		27		25		4		151	
	21		17		11		23		20		22		8		106
13		8		9		24		22		28		4		100	
	26		25		24		28		22		28		4		149
	20		26		5		27		21		27		4		122
22		13		15		25		23		25		8		115	
	14		19		5		19		17		16		4		86
21		15		19		24		24		28		7		124	
7		5		6		20		14		21		4		69	
	23		16		13		28		17		24		4		117
17		14		11		26		23		27		5		113	
25		24		17		23		24		14		4		123	
25		24		17		23		24		14		4		123	
19		9		5		20		8		27		4		84	
	20		19		9		11		22		20		4		97
23		19		15		24		23		21		4		121	
	22		25		17		25		25		22		4		132
22		19		17		23		21		21		4		119	
21		18		20		18		24		12		15		98	
	15		15		12		20		15		20		10		87
	20		12		7		20		22		24		4		101
	22		21		16		24		21		19		8		115
18		12		7		23		25		28		4		109

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	'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 & 1 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=173207&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]'Gwilym Jenkins' @ jenkins.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=173207&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=173207&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	'Gwilym Jenkins' @ jenkins.wessa.net

Parameters (Session):

par1 = 0.95 ; par2 = 0 ;

Parameters (R input):

par1 = 0.95 ; par2 = 0 ;

R code (references can be found in the software module):

par1 <- as.numeric(par1)
par2 <- as.numeric(par2)
len <- length(x)
df <- len - 1
sd <- sd(x)
mx <- mean(x)
load(file='createtable')
delta2 <- abs(qt((1-par1)/2,df)) * sd / sqrt(len)
delta1 <- abs(qt((1-par1),df)) * sd / sqrt(len)
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Hypothesis Test about the Mean - Confidence Interval',2,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Sample size',header=TRUE)
a<-table.element(a,len)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Sample standard deviation',header=TRUE)
a<-table.element(a,sd)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Confidence',header=TRUE)
a<-table.element(a,par1)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Null hypothesis',header=TRUE)
a<-table.element(a,par2)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Sample Mean',header=TRUE)
a<-table.element(a,mx)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'2-sided Confidence Interval',header=TRUE)
dum <- paste('[',mx-delta2)
dum <- paste(dum,',')
dum <- paste(dum,mx+delta2)
dum <- paste(dum,']')
a<-table.element(a,dum)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Left-sided Confidence Interval',header=TRUE)
dum <- paste('[',mx-delta1)
dum <- paste(dum,', +inf ]')
a<-table.element(a,dum)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Right-sided Confidence Interval',header=TRUE)
dum <- paste('[ -inf, ',mx+delta1)
dum <- paste(dum,']')
a<-table.element(a,dum)
a<-table.row.end(a)
a<-table.end(a)
table.save(a,file='mytable.tab')

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