# R Basics
mba <- read.csv("D:\\New Volume\\Downloads\\Data Sets\\Datasets_BA 2\\mba.csv")
#View(mba)
dim(mba)

## [1] 773   3

head(mba,3)

##   datasrno workex gmat
## 1        1     21  720
## 2        2    107  640
## 3        3     57  740

tail(mba,2)

##     datasrno workex gmat
## 772      772     10  610
## 773      773     52  620

colnames(mba)

## [1] "datasrno" "workex"   "gmat"

mean(mba$gmat)

## [1] 711.1643

attach(mba)
mean(gmat)

## [1] 711.1643

median(gmat)

## [1] 710

library(LaplacesDemon)

## Warning: package 'LaplacesDemon' was built under R version 3.6.2

Mode(gmat)

## [1] 710

var(gmat)

## [1] 860.8188

sd(gmat)

## [1] 29.33971

range=max(gmat)-min(gmat)
range

## [1] 180

max(gmat)

## [1] 780

min(gmat)

## [1] 600