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Question 8

*The author of this computation has been verified*
R Software Module: /rwasp_onesampletests_mean.wasp (opens new window with default values)
Title produced by software: One Sample Tests about the Mean
Date of computation: Thu, 13 Oct 2011 16:31:59 -0400
 
Cite this page as follows:
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL http://www.freestatistics.org/blog/date/2011/Oct/13/t1318537960enhevlefto1i41a.htm/, Retrieved Wed, 22 May 2013 15:49:15 +0000
 
Original text written by user:
 
IsPrivate?
No (this computation is public)
 
User-defined keywords:
 
System-generated keywords (parent):
t1289466767xs8e526p5ihsp4j (pk = 93144)
Estimated Impact
20
 
Dataseries X:
» Textfile « » CSV « » Stem and Leaf « » Histogram « » Kernel Density « » Harrell-Davis Quantiles « » Central Tendency « » Variability «
 
Output produced by software:


Summary of computational transaction
Raw Inputview raw input (R code)
Raw Outputview raw output of R engine
Computing time0 seconds
R Server'Herman Ole Andreas Wold' @ wold.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.


One Sample t-test
H013
Alternativetwo.sided
CI0.75
Sample Mean20.2857142857143
T-Test19.9800929408261
DF97
P-Value3.73688374371901e-36
 
Charts produced by software:
 
Parameters (Session):
par1 = two.sided ; par2 = 0.75 ; par3 = 13 ;
 
Parameters (R input):
par1 = two.sided ; par2 = 0.75 ; par3 = 13 ;
 
R code (references can be found in the software module):