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Description of Statistical Computation

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, 01 Sep 2015 21:36:13 +0100
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2015/Sep/01/t1441139785plwrsdh5sjqd0nk.htm/, Retrieved Wed, 15 May 2024 13:19:48 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=280393, Retrieved Wed, 15 May 2024 13:19:48 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact156

Tree of Dependent Computations

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]
-    D    [Testing Mean with unknown Variance - Critical Value] [] [2015-09-01 19:56:16] [82473208b72870f966ef7d4d2162cc96]
-   P       [Testing Mean with unknown Variance - Critical Value] [] [2015-09-01 19:59:46] [82473208b72870f966ef7d4d2162cc96]
-    D        [Testing Mean with unknown Variance - Critical Value] [] [2015-09-01 20:28:52] [82473208b72870f966ef7d4d2162cc96]
-    D            [Testing Mean with unknown Variance - Critical Value] [] [2015-09-01 20:36:13] [3e99441ea7f7f69c8fa4628f6be951c3] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
22
21
25
30
17
27
23
23
18
18
23
19
15
20
16
24
25
25
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16
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19
23

22
19
20
20
3
23
14
23
20
15
13
16
7
24

24
24
19
25
20
28
23
27
18
28
21
19
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27
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22
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25
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16
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23
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18
19
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25
25
24
19
26
10

13
17
30
25
4
16
21
23
22
17
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20
22

23
16
0
18
25
23
12
18
24
11
18
14
23
24
29
18

29
16
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22
16
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23
19
4
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22
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3
15
24
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27
23
26
23
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18

22
27

20
17
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19
13
27
23
16
25
2
26
20
23
22

Tables (Output of Computation)





Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time0 seconds
R Server'Sir Maurice George Kendall' @ kendall.wessa.net
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 & 0 seconds \tabularnewline
R Server & 'Sir Maurice George Kendall' @ kendall.wessa.net \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=280393&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]'Sir Maurice George Kendall' @ kendall.wessa.net[/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=280393&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=280393&T=0

As an alternative you can also use a QR Code:  
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'Sir Maurice George Kendall' @ kendall.wessa.net
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 size157
Sample standard deviation5.50366973322516
Confidence0.95
Null hypothesis24
Sample Mean20.3885350318471
2-sided Confidence Interval[ 19.5209084372435 , 21.2561616264508 ]
Left-sided Confidence Interval[ 19.661732293408 , +inf ]
Right-sided Confidence Interval[ -inf, 21.1153377702862 ]

\begin{tabular}{lllllllll}
\hline
Hypothesis Test about the Mean - Confidence Interval \tabularnewline
Sample size & 157 \tabularnewline
Sample standard deviation & 5.50366973322516 \tabularnewline
Confidence & 0.95 \tabularnewline
Null hypothesis & 24 \tabularnewline
Sample Mean & 20.3885350318471 \tabularnewline
2-sided Confidence Interval & [ 19.5209084372435 , 21.2561616264508 ] \tabularnewline
Left-sided Confidence Interval & [ 19.661732293408 , +inf ] \tabularnewline
Right-sided Confidence Interval & [ -inf,  21.1153377702862 ] \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=280393&T=1

[TABLE]
[ROW][C]Hypothesis Test about the Mean - Confidence Interval[/C][/ROW]
[ROW][C]Sample size[/C][C]157[/C][/ROW]
[ROW][C]Sample standard deviation[/C][C]5.50366973322516[/C][/ROW]
[ROW][C]Confidence[/C][C]0.95[/C][/ROW]
[ROW][C]Null hypothesis[/C][C]24[/C][/ROW]
[ROW][C]Sample Mean[/C][C]20.3885350318471[/C][/ROW]
[ROW][C]2-sided Confidence Interval[/C][C][ 19.5209084372435 , 21.2561616264508 ][/C][/ROW]
[ROW][C]Left-sided Confidence Interval[/C][C][ 19.661732293408 , +inf ][/C][/ROW]
[ROW][C]Right-sided Confidence Interval[/C][C][ -inf,  21.1153377702862 ][/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=280393&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=280393&T=1

As an alternative you can also use a QR Code:  
QR Code


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

Hypothesis Test about the Mean - Confidence Interval
Sample size157
Sample standard deviation5.50366973322516
Confidence0.95
Null hypothesis24
Sample Mean20.3885350318471
2-sided Confidence Interval[ 19.5209084372435 , 21.2561616264508 ]
Left-sided Confidence Interval[ 19.661732293408 , +inf ]
Right-sided Confidence Interval[ -inf, 21.1153377702862 ]


Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = 0.95 ; par2 = 24 ;
Parameters (R input):
par1 = 0.95 ; par2 = 24 ;
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')