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Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_hypothesismeanu.wasp
Title produced by softwareTesting Mean with unknown Variance - Critical Value
Date of computationTue, 29 Oct 2013 08:36:20 -0400
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2013/Oct/29/t1383050201w5kzfudd3u5jp5k.htm/, Retrieved Fri, 01 Nov 2024 00:05:48 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=220544, Retrieved Fri, 01 Nov 2024 00:05:48 +0000
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Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact116
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] [Hypothese t] [2013-10-29 12:36:20] [cc3ead935a475e409d9b4e599f5febf8] [Current]
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Dataseries X:
4
0
4
0
0
0
0
0
4
1
4
0
2
0
0
0
1
0
0
2
2
1
2
0
3
0
0
0
1
0
0
4
0
1
0
0
4




Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time0 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 & 0 seconds \tabularnewline
R Server & 'Gwilym Jenkins' @ jenkins.wessa.net \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=220544&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]0 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=220544&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=220544&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 Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time0 seconds
R Server'Gwilym Jenkins' @ jenkins.wessa.net







Hypothesis Test about the Mean - Confidence Interval
Sample size37
Sample standard deviation1.51617901278141
Confidence0.9
Null hypothesis0
Sample Mean1.08108108108108
2-sided Confidence Interval[ 0.660258872632112 , 1.50190328953005 ]
Left-sided Confidence Interval[ 0.755670916820119 , +inf ]
Right-sided Confidence Interval[ -inf, 1.40649124534204 ]

\begin{tabular}{lllllllll}
\hline
Hypothesis Test about the Mean - Confidence Interval \tabularnewline
Sample size & 37 \tabularnewline
Sample standard deviation & 1.51617901278141 \tabularnewline
Confidence & 0.9 \tabularnewline
Null hypothesis & 0 \tabularnewline
Sample Mean & 1.08108108108108 \tabularnewline
2-sided Confidence Interval & [ 0.660258872632112 , 1.50190328953005 ] \tabularnewline
Left-sided Confidence Interval & [ 0.755670916820119 , +inf ] \tabularnewline
Right-sided Confidence Interval & [ -inf,  1.40649124534204 ] \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=220544&T=1

[TABLE]
[ROW][C]Hypothesis Test about the Mean - Confidence Interval[/C][/ROW]
[ROW][C]Sample size[/C][C]37[/C][/ROW]
[ROW][C]Sample standard deviation[/C][C]1.51617901278141[/C][/ROW]
[ROW][C]Confidence[/C][C]0.9[/C][/ROW]
[ROW][C]Null hypothesis[/C][C]0[/C][/ROW]
[ROW][C]Sample Mean[/C][C]1.08108108108108[/C][/ROW]
[ROW][C]2-sided Confidence Interval[/C][C][ 0.660258872632112 , 1.50190328953005 ][/C][/ROW]
[ROW][C]Left-sided Confidence Interval[/C][C][ 0.755670916820119 , +inf ][/C][/ROW]
[ROW][C]Right-sided Confidence Interval[/C][C][ -inf,  1.40649124534204 ][/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=220544&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=220544&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 size37
Sample standard deviation1.51617901278141
Confidence0.9
Null hypothesis0
Sample Mean1.08108108108108
2-sided Confidence Interval[ 0.660258872632112 , 1.50190328953005 ]
Left-sided Confidence Interval[ 0.755670916820119 , +inf ]
Right-sided Confidence Interval[ -inf, 1.40649124534204 ]



Parameters (Session):
par1 = 0.90 ; par2 = 0 ;
Parameters (R input):
par1 = 0.90 ; 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')