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Data:
16 19 16 23 12 19 16 13 20 27 8 13 15 5 14 24 24 9 19 19 18 12 25 19 20 24 12 17 16 11 20 11 20 19 17 18 17 27 19 19 11 22 20 24 16 16 11 20 20 12 8 21 18 16 18 20 20 17 15 17 23 19 17 12 24 18 20 16 20 22 16 17 12 14 23 15 17 28 23 13 19 13 22 20 10 17 18 23 17 19 18 22 16 16 16 16 18 18 17 19 20 17 25 26 19 16 19 25 15 12 21 15 28 26 25 12 15 14 22 21 23 25 22 24 20 22 16 22 24 16 27 20 27 24 19 16 26 22 21 14 12 22 20 18 23 23 12 16 23 18 23 15 17 22 20 20 20 22 18 17
Confidence
(?)
Null Hypothesis
R Code
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')
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R Server
Big Analytics Cloud Computing Center
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