R version 3.0.2 (2013-09-25) -- "Frisbee Sailing"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: i686-pc-linux-gnu (32-bit)

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> x <- c(83,102,75,92,94,88,77,63,73,85,80,77,67,98,89,63,97,77,96,84,94,70,100,88,97,78,108,81,96,84,104,87,98,89,93,89,63,84,82,105,70,94,101,83,88,69,94,82,82,109,86,99,82,114,99,91,81,102,101,72,91,83,102,103,93,88,110,100,88,119,98,90,69,98,98,81,93,91,86,95,87,63,89,108,99,90,91,82,119,97,108,101,96,97,69,89,84,79,103,92,104,102,106,93,108,119,102,83,92,119,100,97,103,95,73,86,88,102,87,100,88,100,79,90,83,95,89,64,108,80,83,96,108,86,88,97,110,102,92,91,92,72,88,99,95,83,68,101,91,89,98,89,98,97,98,113,83,92,113,103,96,94)
> par1 = '15'
> xlab = 'Test Score'
> main = 'General Knowledge, Year 7'
> par1 <- '15'
> #'GNU S' R Code compiled by R2WASP v. 1.2.291 ()
> #Author: root
> #To cite this work: Ian E. Holliday, 2012, Histogram,  QQplot and Density Plot (v1.0.1) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/Ian.Holliday/rwasp_Distributional Plots.wasp/
> #Source of accompanying publication: 
> #
> x <- x[!is.na(x)]
> postscript(file="/var/wessaorg/rcomp/tmp/10bx71382376465.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> par1 <- as.numeric(par1)
> myhist<-hist(x, breaks=par1, col=2, xlab=xlab, main=main)
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/2o5r71382376465.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> qqnorm(x)
> qqline(x, col=2)
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/3eklr1382376465.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(density(x), xlab=xlab, main=main)
> dev.off()
null device 
          1 
> 
> #Note: the /var/wessaorg/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/wessaorg/rcomp/createtable")
> 
> a<-table.start()
> a<-table.row.start(a)
> a<-table.element(a,'Descriptive Statistics',3,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'mean',header=TRUE)
> a<-table.element(a,signif(mean(x), 6))
> a<-table.element(a,hyperlink('http://www.xycoon.com/arithmetic_mean.htm','formula','click to see the formula'))
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'standard deviation',header=TRUE)
> a<-table.element(a,signif(sd(x), 6))
> a<-table.element(a,hyperlink('http://www.xycoon.com/unbiased1.htm','formula','click to see the formula'))
> a<-table.row.end(a)
> a<-table.end(a)
> table.save(a,file="/var/wessaorg/rcomp/tmp/45sot1382376465.tab") 
> 
> try(system("convert tmp/10bx71382376465.ps tmp/10bx71382376465.png",intern=TRUE))
character(0)
> try(system("convert tmp/2o5r71382376465.ps tmp/2o5r71382376465.png",intern=TRUE))
character(0)
> try(system("convert tmp/3eklr1382376465.ps tmp/3eklr1382376465.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.266   0.504   2.741