Titanic Task

setwd("C:\\Users\\Adithya Nataraj\\Downloads")
titanic.df <- read.csv(paste("Titanic Data.csv", sep=""))

aggregate(titanic.df$Age, list(Age=titanic.df$Survived), mean)

##   Age        x
## 1   0 30.41530
## 2   1 28.42382

Average age of survivors is 28.42382 Average age of people who died is 30.41530

t.test(Age ~ Survived, data=titanic.df)

## 
##  Welch Two Sample t-test
## 
## data:  Age by 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

The p-value is 0.02949