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R Software Module

test_mean.wasp

Title produced by software

Population Mean Test

Date of computation

Tue, 26 Oct 2010 16:00:49 +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/2010/Oct/26/t1288108771jc0t8lds1gch2i7.htm/, Retrieved Sat, 27 Apr 2024 21:27:13 +0000

Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=89313, Retrieved Sat, 27 Apr 2024 21:27:13 +0000

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Estimated Impact

106

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)

-     [Factor Analysis] [Sleep in Mammals ...] [2010-03-21 11:39:53] [b98453cac15ba1066b407e146608df68]
- RMPD  [Testing Mean with unknown Variance - Critical Value] [Hypothesis Test a...] [2010-10-19 11:45:26] [b98453cac15ba1066b407e146608df68]
F R PD    [Testing Mean with unknown Variance - Critical Value] [Hypothese intrins...] [2010-10-26 15:39:33] [8ef75e99f9f5061c72c54640f2f1c3e7]
F RMPD        [Population Mean Test] [Kleinste type 1 fout] [2010-10-26 16:00:49] [e26438ba7029caa0090c95690001dbf5] [Current]

Feedback Forum

2010-10-29 10:59:13 [00c625c7d009d84797af914265b614f9] [reply] 
We moeten hier geen wijzigingen aanbrengen aan het confidence interval, we moeten enkel de p-value berekenen. Dit doen we in de software bij One Sample Tests about the Mean. 
2010-11-02 14:49:31 [1951de723fd2749e12bc2f1a75bd3e74] [reply] 
De p – value (0,4352) is de kleinste type1error.  
Wat betekent de p-waarde? Als de p-waarde zeer klein is dan is er een zeer significant verschil/afwijking van de null hypothese. P-waarde< alpha fout, nul hypothese buiten betrouwbaarheidsinterval = verwerpen.  
 
Software : One Sample Tests about the Mean

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Population Mean Test - Ungrouped Data
Statistic	Value
H0: mean =	20
H1: mean <>	20
Arithmetic Mean	21.1587302
Standard Error	0.4677
T-STAT	2.47751
p-value	0.01597
Observations	63

\begin{tabular}{lllllllll}
\hline

Population Mean Test - Ungrouped Data \tabularnewline

Statistic

Value \tabularnewline H0: mean =

20 \tabularnewline H1: mean <>

20 \tabularnewline Arithmetic Mean

21.1587302 \tabularnewline Standard Error

0.4677 \tabularnewline T-STAT

2.47751 \tabularnewline p-value

0.01597 \tabularnewline Observations

63 \tabularnewline \hline \end{tabular} %Source: https://freestatistics.org/blog/index.php?pk=89313&T=0

[TABLE]

[ROW][C]Population Mean Test - Ungrouped Data[/C][/ROW]

[ROW][C]Statistic[/C]

Value[/C][/ROW] [ROW][C]H0: mean =[/C]

20[/C][/ROW] [ROW][C]H1: mean <>[/C]

20[/C][/ROW] [ROW][C]Arithmetic Mean[/C]

21.1587302[/C][/ROW] [ROW][C]Standard Error[/C]

0.4677[/C][/ROW] [ROW][C]T-STAT[/C]

2.47751[/C][/ROW] [ROW][C]p-value[/C]

0.01597[/C][/ROW] [ROW][C]Observations[/C]

63[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=89313&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=89313&T=0

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Population Mean Test - Ungrouped Data
Statistic	Value
H0: mean =	20
H1: mean <>	20
Arithmetic Mean	21.1587302
Standard Error	0.4677
T-STAT	2.47751
p-value	0.01597
Observations	63

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