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Author

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R Software Module

rwasp_hypothesismeanu.wasp

Title produced by software

Testing Mean with unknown Variance - Critical Value

Date of computation

Tue, 07 Dec 2010 16:32:31 +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/Dec/07/t12917394748t6ehnwb4yftjtp.htm/, Retrieved Fri, 03 May 2024 22:02:43 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=106497, Retrieved Fri, 03 May 2024 22:02:43 +0000

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IsPrivate?

No (this computation is public)

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Estimated Impact

192

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] [] [2010-10-25 13:12:27] [b98453cac15ba1066b407e146608df68]
-   PD  [Testing Mean with unknown Variance - Critical Value] [Hypothese mannen ...] [2010-12-07 09:52:26] [95e8426e0df851c9330605aa1e892ab5]
-   P       [Testing Mean with unknown Variance - Critical Value] [Hypothese mannen ...] [2010-12-07 16:32:31] [dc77c696707133dea0955379c56a2acd] [Current]

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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	'Sir Ronald Aylmer Fisher' @ 193.190.124.24

\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 & 'Sir Ronald Aylmer Fisher' @ 193.190.124.24 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=106497&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]'Sir Ronald Aylmer Fisher' @ 193.190.124.24[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=106497&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=106497&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	'Sir Ronald Aylmer Fisher' @ 193.190.124.24

Hypothesis Test about the Mean - Confidence Interval
Sample size	111
Sample standard deviation	28698.3338385397
Confidence	0.95
Null hypothesis	42000
Sample Mean	46341.2342342342
2-sided Confidence Interval	[ 40943.0536380977 , 51739.4148303708 ]
Left-sided Confidence Interval	[ 41822.7210573027 , +inf ]
Right-sided Confidence Interval	[ -inf, 50859.7474111658 ]

\begin{tabular}{lllllllll}
\hline
Hypothesis Test about the Mean - Confidence Interval \tabularnewline
Sample size & 111 \tabularnewline
Sample standard deviation & 28698.3338385397 \tabularnewline
Confidence & 0.95 \tabularnewline
Null hypothesis & 42000 \tabularnewline
Sample Mean & 46341.2342342342 \tabularnewline
2-sided Confidence Interval & [ 40943.0536380977 , 51739.4148303708 ] \tabularnewline
Left-sided Confidence Interval & [ 41822.7210573027 , +inf ] \tabularnewline
Right-sided Confidence Interval & [ -inf,  50859.7474111658 ] \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=106497&T=1

[TABLE]
[ROW][C]Hypothesis Test about the Mean - Confidence Interval[/C][/ROW]
[ROW][C]Sample size[/C][C]111[/C][/ROW]
[ROW][C]Sample standard deviation[/C][C]28698.3338385397[/C][/ROW]
[ROW][C]Confidence[/C][C]0.95[/C][/ROW]
[ROW][C]Null hypothesis[/C][C]42000[/C][/ROW]
[ROW][C]Sample Mean[/C][C]46341.2342342342[/C][/ROW]
[ROW][C]2-sided Confidence Interval[/C][C][ 40943.0536380977 , 51739.4148303708 ][/C][/ROW]
[ROW][C]Left-sided Confidence Interval[/C][C][ 41822.7210573027 , +inf ][/C][/ROW]
[ROW][C]Right-sided Confidence Interval[/C][C][ -inf,  50859.7474111658 ][/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=106497&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=106497&T=1

As an alternative you can also use a QR Code:

The GUIDs for individual cells are displayed in the table below:

Hypothesis Test about the Mean - Confidence Interval
Sample size	111
Sample standard deviation	28698.3338385397
Confidence	0.95
Null hypothesis	42000
Sample Mean	46341.2342342342
2-sided Confidence Interval	[ 40943.0536380977 , 51739.4148303708 ]
Left-sided Confidence Interval	[ 41822.7210573027 , +inf ]
Right-sided Confidence Interval	[ -inf, 50859.7474111658 ]

Parameters (Session):

par1 = 0.95 ; par2 = 42000 ;

Parameters (R input):

par1 = 0.95 ; par2 = 42000 ;

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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