R version 2.9.0 (2009-04-17)
Copyright (C) 2009 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
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> par6 = '5.4'
> par5 = '0.05'
> par4 = '5.2'
> par3 = '5.35'
> par2 = '0.36'
> par1 = '9'
> par1<-as.numeric(par1)
> par2<-as.numeric(par2)
> par3<-as.numeric(par3)
> par4<-as.numeric(par4)
> par5<-as.numeric(par5)
> par6<-as.numeric(par6)
> c <- 'NA'
> csn <- abs(qnorm(par5))
> if (par3 == par4)
+ {
+ conclusion <- 'Error: the null hypothesis and sample mean must not be equal.'
+ }
> if (par3 > par4)
+ {
+ c <- par4 + csn * sqrt(par2) / sqrt(par1)
+ }
> if (par3 < par4)
+ {
+ c <- par4 - csn * sqrt(par2) / sqrt(par1)
+ }
> p <- pnorm((c - par6) / (sqrt(par2/par1)))
> p
[1] 0.740489
> 
> #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/www/html/rcomp/createtable")
> 
> a<-table.start()
> a<-table.row.start(a)
> a<-table.element(a,hyperlink('http://www.xycoon.com/ht_mean_knownvar.htm','Testing Mean with known Variance','learn more about Statistical Hypothesis Testing about the Mean when the Variance is known'),2,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'sample size',header=TRUE)
> a<-table.element(a,par1)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'population variance',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,par3)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'null hypothesis about mean',header=TRUE)
> a<-table.element(a,par4)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'type I error',header=TRUE)
> a<-table.element(a,par5)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'alternative hypothesis about mean',header=TRUE)
> a<-table.element(a,par6)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,hyperlink('http://www.xycoon.com/ht_mean_knownvar.htm#ex3','Type II Error','example'),header=TRUE)
> a<-table.element(a,p)
> a<-table.row.end(a)
> a<-table.end(a)
> table.save(a,file="/var/www/html/rcomp/tmp/1duql1288094588.tab") 
> 
> 
> 
> proc.time()
   user  system elapsed 
  0.198   0.029   0.995