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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

Wed, 17 Dec 2014 20:48:24 +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/2014/Dec/17/t1418849314xh9k7gbqxxbsgay.htm/, Retrieved Thu, 16 May 2024 05:48:41 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=270670, Retrieved Thu, 16 May 2024 05:48:41 +0000

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Original text written by user:

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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] [] [2010-10-25 13:12:27] [b98453cac15ba1066b407e146608df68]
- RMP   [Testing Mean with unknown Variance - Critical Value] [] [2014-10-07 07:47:40] [32b17a345b130fdf5cc88718ed94a974]
- R       [Testing Mean with unknown Variance - Critical Value] [] [2014-10-22 11:16:02] [9b99fe494671b75fb711c2dc543f4e3e]
- R  D      [Testing Mean with unknown Variance - Critical Value] [] [2014-12-10 14:54:48] [7b949ef3605c038fc6e10efeab34f433]
-   PD        [Testing Mean with unknown Variance - Critical Value] [] [2014-12-10 16:44:30] [7b949ef3605c038fc6e10efeab34f433]
-    D          [Testing Mean with unknown Variance - Critical Value] [] [2014-12-10 16:58:15] [7b949ef3605c038fc6e10efeab34f433]
-   PD              [Testing Mean with unknown Variance - Critical Value] [] [2014-12-17 20:48:24] [aa823bdb4d51626f3fbc68989a46faf3] [Current]

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Dataseries X:

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Histogram

Boxplots

12,9
12,2
12,8
7,4
6,7
12,6
14,8
13,3
11,1
8,2
11,4
6,4
10,6
12
6,3
11,3
11,9
9,3
9,6
10
6,4
13,8
10,8
13,8
11,7
10,9
16,1
13,4
9,9
11,5
8,3
11,7
9
9,7
10,8
10,3
10,4
12,7
9,3
11,8
5,9
11,4
13
10,8
12,3
11,3
11,8
7,9
12,7
12,3
11,6
6,7
10,9
12,1
13,3
10,1
5,7
14,3
8
13,3
9,3
12,5
7,6
15,9
9,2
9,1
11,1
13
14,5
12,2
12,3
11,4
8,8
14,6
12,6
13
12,6
13,2
9,9
7,7
10,5
13,4
10,9
4,3
10,3
11,8
11,2
11,4
8,6
13,2
12,6
5,6
9,9
8,8
7,7
9
7,3
11,4
13,6
7,9
10,7
10,3
8,3
9,6
14,2
8,5
13,5
4,9
6,4
9,6
11,6
11,1

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	'George Udny Yule' @ yule.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 & 'George Udny Yule' @ yule.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270670&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]'George Udny Yule' @ yule.wessa.net[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270670&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270670&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	'George Udny Yule' @ yule.wessa.net

Hypothesis Test about the Mean - Confidence Interval
Sample size	112
Sample standard deviation	2.47134006525745
Confidence	0.95
Null hypothesis	0
Sample Mean	10.6883928571429
2-sided Confidence Interval	[ 10.2256580095533 , 11.1511277047324 ]
Left-sided Confidence Interval	[ 10.3010543919755 , +inf ]
Right-sided Confidence Interval	[ -inf, 11.0757313223102 ]

\begin{tabular}{lllllllll}
\hline
Hypothesis Test about the Mean - Confidence Interval \tabularnewline
Sample size & 112 \tabularnewline
Sample standard deviation & 2.47134006525745 \tabularnewline
Confidence & 0.95 \tabularnewline
Null hypothesis & 0 \tabularnewline
Sample Mean & 10.6883928571429 \tabularnewline
2-sided Confidence Interval & [ 10.2256580095533 , 11.1511277047324 ] \tabularnewline
Left-sided Confidence Interval & [ 10.3010543919755 , +inf ] \tabularnewline
Right-sided Confidence Interval & [ -inf,  11.0757313223102 ] \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=270670&T=1

[TABLE]
[ROW][C]Hypothesis Test about the Mean - Confidence Interval[/C][/ROW]
[ROW][C]Sample size[/C][C]112[/C][/ROW]
[ROW][C]Sample standard deviation[/C][C]2.47134006525745[/C][/ROW]
[ROW][C]Confidence[/C][C]0.95[/C][/ROW]
[ROW][C]Null hypothesis[/C][C]0[/C][/ROW]
[ROW][C]Sample Mean[/C][C]10.6883928571429[/C][/ROW]
[ROW][C]2-sided Confidence Interval[/C][C][ 10.2256580095533 , 11.1511277047324 ][/C][/ROW]
[ROW][C]Left-sided Confidence Interval[/C][C][ 10.3010543919755 , +inf ][/C][/ROW]
[ROW][C]Right-sided Confidence Interval[/C][C][ -inf,  11.0757313223102 ][/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=270670&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=270670&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	112
Sample standard deviation	2.47134006525745
Confidence	0.95
Null hypothesis	0
Sample Mean	10.6883928571429
2-sided Confidence Interval	[ 10.2256580095533 , 11.1511277047324 ]
Left-sided Confidence Interval	[ 10.3010543919755 , +inf ]
Right-sided Confidence Interval	[ -inf, 11.0757313223102 ]

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):

par2 <- '0'
par1 <- '0.95'
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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