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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 computationFri, 10 Dec 2010 11:50:13 +0000
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2010/Dec/10/t1291981725d4ed8bq3jsnfeq7.htm/, Retrieved Mon, 29 Apr 2024 12:15:44 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=107577, Retrieved Mon, 29 Apr 2024 12:15:44 +0000
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Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact137
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 20:51:55] [b98453cac15ba1066b407e146608df68]
-   PD    [Testing Mean with unknown Variance - Critical Value] [Tweezijdige Hypot...] [2010-12-10 11:50:13] [bff44ea937c3f909b1dc9a8bfab919e2] [Current]
-   P       [Testing Mean with unknown Variance - Critical Value] [Tweezijdige Hypot...] [2010-12-17 10:30:59] [26379b86c25fbf0febe6a7a428e65173]
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Dataseries X:
13



10
12




11


7
11


14

6

15

12

15
9

13


12

11

16

10


14


8

16

9



6
12
8
14



8

7
16




11
13

5


11
11






7



13
12
9


10




12


8
11



14

4









15


11
14
14

14
8
13
16









15

14



12
13

8


8
10
15




14
14





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time1 seconds
R Server'George Udny Yule' @ 72.249.76.132
R Framework error message
Warning: there are blank lines in the 'Data' field.
Please, use NA for missing data - blank lines are simply
 deleted and are NOT treated as missing values.

\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' @ 72.249.76.132 \tabularnewline
R Framework error message & 
Warning: there are blank lines in the 'Data' field.
Please, use NA for missing data - blank lines are simply
 deleted and are NOT treated as missing values.
\tabularnewline \hline \end{tabular} %Source: https://freestatistics.org/blog/index.php?pk=107577&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' @ 72.249.76.132[/C][/ROW]
[ROW][C]R Framework error message[/C][C]
Warning: there are blank lines in the 'Data' field.
Please, use NA for missing data - blank lines are simply
 deleted and are NOT treated as missing values.
[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=107577&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=107577&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 time1 seconds
R Server'George Udny Yule' @ 72.249.76.132
R Framework error message
Warning: there are blank lines in the 'Data' field.
Please, use NA for missing data - blank lines are simply
 deleted and are NOT treated as missing values.







Hypothesis Test about the Mean - Confidence Interval
Sample size61
Sample standard deviation3.03953907923679
Confidence0.95
Null hypothesis8
Sample Mean11.3770491803279
2-sided Confidence Interval[ 10.5985870757321 , 12.1555112849236 ]
Left-sided Confidence Interval[ 10.7268775823283 , +inf ]
Right-sided Confidence Interval[ -inf, 12.0272207783275 ]

\begin{tabular}{lllllllll}
\hline
Hypothesis Test about the Mean - Confidence Interval \tabularnewline
Sample size & 61 \tabularnewline
Sample standard deviation & 3.03953907923679 \tabularnewline
Confidence & 0.95 \tabularnewline
Null hypothesis & 8 \tabularnewline
Sample Mean & 11.3770491803279 \tabularnewline
2-sided Confidence Interval & [ 10.5985870757321 , 12.1555112849236 ] \tabularnewline
Left-sided Confidence Interval & [ 10.7268775823283 , +inf ] \tabularnewline
Right-sided Confidence Interval & [ -inf,  12.0272207783275 ] \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=107577&T=1

[TABLE]
[ROW][C]Hypothesis Test about the Mean - Confidence Interval[/C][/ROW]
[ROW][C]Sample size[/C][C]61[/C][/ROW]
[ROW][C]Sample standard deviation[/C][C]3.03953907923679[/C][/ROW]
[ROW][C]Confidence[/C][C]0.95[/C][/ROW]
[ROW][C]Null hypothesis[/C][C]8[/C][/ROW]
[ROW][C]Sample Mean[/C][C]11.3770491803279[/C][/ROW]
[ROW][C]2-sided Confidence Interval[/C][C][ 10.5985870757321 , 12.1555112849236 ][/C][/ROW]
[ROW][C]Left-sided Confidence Interval[/C][C][ 10.7268775823283 , +inf ][/C][/ROW]
[ROW][C]Right-sided Confidence Interval[/C][C][ -inf,  12.0272207783275 ][/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=107577&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=107577&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 size61
Sample standard deviation3.03953907923679
Confidence0.95
Null hypothesis8
Sample Mean11.3770491803279
2-sided Confidence Interval[ 10.5985870757321 , 12.1555112849236 ]
Left-sided Confidence Interval[ 10.7268775823283 , +inf ]
Right-sided Confidence Interval[ -inf, 12.0272207783275 ]



Parameters (Session):
par1 = 0.95 ; par2 = 8 ;
Parameters (R input):
par1 = 0.95 ; par2 = 8 ;
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')