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titanic <- read.csv(paste("TitanicData.csv", sep=""))
table <- aggregate(titanic$Age ~ titanic$Survived, FUN = mean)
table## titanic$Survived titanic$Age
## 1 0 30.41530
## 2 1 28.42382t.test(titanic$Age~titanic$Survived)##
## Welch Two Sample t-test
##
## data: titanic$Age by titanic$Survived
## t = 2.1816, df = 667.56, p-value = 0.02949
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## 0.1990628 3.7838912
## sample estimates:
## mean in group 0 mean in group 1
## 30.41530 28.42382