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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 03:49:06 -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/t1349682566vtxwt5sgdjjchr4.htm/, Retrieved Thu, 02 May 2024 13:37:24 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=173249, Retrieved Thu, 02 May 2024 13:37:24 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

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] [8cc09667e588c76c8c3bfb3e2ed3290a]
-    D    [Testing Mean with unknown Variance - Critical Value] [Treatment S] [2012-10-08 07:49:06] [b262fb17dc370e47870f909f9ce3690a] [Current]

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Dataseries X:

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Histogram

Boxplots

21		22		19		28		19		28		4		133	
	23		22		18		25		20		26		4		130
	22		16		12		21		15		22		5		103
24		20		23		25		23		19		10		124	
24		24		22		25		26		26		5		142	
16		16		14		18		22		18		8		96	
16		16		14		17		20		18		8		93	
	21		22		16		26		24		25		5		129
	26		24		23		28		26		27		4		150
	15		16		7		21		21		12		4		88
	25		27		10		27		25		15		4		125
18		11		12		22		13		21		5		92	
															
20		20		12		25		22		22		4		117	
	17		20		17		22		23		21		8		112
	25		27		21		23		28		24		4		144
24		20		16		26		22		27		5		130	
17		12		11		19		20		22		14		87	
19		8		14		25		6		28		8		92	
20		21		13		21		21		26		8		114	
15		18		9		13		20		10		4		81	
	27		24		19		24		18		19		4		127
22		16		13		25		23		22		6		115	
23		18		19		26		20		21		4		123	
16		20		13		25		24		24		7		115	
19		20		13		25		22		25		7		117	
	25		19		13		22		21		21		4		117
19		17		14		21		18		20		6		103	
	19		16		12		23		21		21		4		108
	26		26		22		25		23		24		7		139
21		15		11		24		23		23		4		113	
	20		22		5		21		15		18		4		97
24		17		18		21		21		24		8		117	
22		23		19		25		24		24		4		133	
	20		21		14		22		23		19		4		115

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=173249&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=173249&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=173249&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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