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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, 22 Oct 2012 14:48:02 -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/22/t1350931742s58pch1rat4gocu.htm/, Retrieved Sat, 04 May 2024 02:04:14 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=182088, Retrieved Sat, 04 May 2024 02:04:14 +0000

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Original text written by user:

IsPrivate?

No (this computation is public)

User-defined keywords

nulhypothese

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] [workshop 4 taak 2.1] [2012-10-22 18:48:02] [706ccf0adf4bc144f067c6c403344984] [Current]
-    D    [Testing Mean with unknown Variance - Critical Value] [workshop 4 taak 2.2] [2012-10-22 18:59:02] [5e6119a0aa181aac6bb71d6b937f8665] 
-    D    [Testing Mean with unknown Variance - Critical Value] [workshop 4 taak 2.3] [2012-10-22 19:01:54] [5e6119a0aa181aac6bb71d6b937f8665] 
-   PD    [Testing Mean with unknown Variance - Critical Value] [workshop 4 taak 4] [2012-10-22 19:26:36] [5e6119a0aa181aac6bb71d6b937f8665] 
- RM        [Testing Mean with unknown Variance - Critical Value] [workshop 4 taak 4] [2012-10-22 19:28:04] [5e6119a0aa181aac6bb71d6b937f8665] 
-    D      [Testing Mean with unknown Variance - Critical Value] [workshop 4 taak 5] [2012-10-22 19:38:19] [5e6119a0aa181aac6bb71d6b937f8665] 
- RMPD        [One Sample Tests about the Mean] [workshop 4 taak 6.1] [2012-10-22 19:53:12] [5e6119a0aa181aac6bb71d6b937f8665] 
- RMP         [One Sample Tests about the Mean] [workshop 4 taak 6.2] [2012-10-22 19:55:20] [5e6119a0aa181aac6bb71d6b937f8665] 
- RMPD        [Variability] [workshop 4 taak 8] [2012-10-22 20:38:11] [5e6119a0aa181aac6bb71d6b937f8665] 
- RMPD        [Testing Variance - Critical Value (Region)] [workshop 4 taak 8] [2012-10-22 20:47:15] [5e6119a0aa181aac6bb71d6b937f8665] 
- RMPD        [Testing Variance - Critical Value (Region)] [workshop 4 taak 8] [2012-10-22 20:47:15] [5e6119a0aa181aac6bb71d6b937f8665] 
- RM D          [Variability] [workshop 4 taak 8] [2012-10-22 20:53:05] [5e6119a0aa181aac6bb71d6b937f8665] 
- R             [Testing Variance - Critical Value (Region)] [workshop 4 taak 8] [2012-10-22 20:55:34] [5e6119a0aa181aac6bb71d6b937f8665] 
- R             [Testing Variance - Critical Value (Region)] [workshop 4 taak 8] [2012-10-22 20:55:34] [5e6119a0aa181aac6bb71d6b937f8665] 
- R             [Testing Variance - Critical Value (Region)] [workshop 4 taak 8] [2012-10-22 20:55:34] [5e6119a0aa181aac6bb71d6b937f8665] 
- RM            [Testing Mean with known Variance - Sample Size] [workshop 4 taak 8] [2012-10-22 21:00:04] [5e6119a0aa181aac6bb71d6b937f8665] 
- R P             [Testing Mean with known Variance - Sample Size] [Deel 1: hypothese...] [2012-12-20 22:33:49] [5e6119a0aa181aac6bb71d6b937f8665] 
- R             [Testing Variance - Critical Value (Region)] [workshop 4 taak 8] [2012-10-22 21:01:06] [5e6119a0aa181aac6bb71d6b937f8665] 

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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	'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=182088&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=182088&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=182088&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	33
Sample standard deviation	0.435194139889245
Confidence	0.95
Null hypothesis	0
Sample Mean	0.757575757575758
2-sided Confidence Interval	[ 0.603262625495447 , 0.911888889656068 ]
Left-sided Confidence Interval	[ 0.629250852395173 , +inf ]
Right-sided Confidence Interval	[ -inf, 0.885900662756342 ]

\begin{tabular}{lllllllll}
\hline
Hypothesis Test about the Mean - Confidence Interval \tabularnewline
Sample size & 33 \tabularnewline
Sample standard deviation & 0.435194139889245 \tabularnewline
Confidence & 0.95 \tabularnewline
Null hypothesis & 0 \tabularnewline
Sample Mean & 0.757575757575758 \tabularnewline
2-sided Confidence Interval & [ 0.603262625495447 , 0.911888889656068 ] \tabularnewline
Left-sided Confidence Interval & [ 0.629250852395173 , +inf ] \tabularnewline
Right-sided Confidence Interval & [ -inf,  0.885900662756342 ] \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=182088&T=1

[TABLE]
[ROW][C]Hypothesis Test about the Mean - Confidence Interval[/C][/ROW]
[ROW][C]Sample size[/C][C]33[/C][/ROW]
[ROW][C]Sample standard deviation[/C][C]0.435194139889245[/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]0.757575757575758[/C][/ROW]
[ROW][C]2-sided Confidence Interval[/C][C][ 0.603262625495447 , 0.911888889656068 ][/C][/ROW]
[ROW][C]Left-sided Confidence Interval[/C][C][ 0.629250852395173 , +inf ][/C][/ROW]
[ROW][C]Right-sided Confidence Interval[/C][C][ -inf,  0.885900662756342 ][/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=182088&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=182088&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	33
Sample standard deviation	0.435194139889245
Confidence	0.95
Null hypothesis	0
Sample Mean	0.757575757575758
2-sided Confidence Interval	[ 0.603262625495447 , 0.911888889656068 ]
Left-sided Confidence Interval	[ 0.629250852395173 , +inf ]
Right-sided Confidence Interval	[ -inf, 0.885900662756342 ]

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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