Basic Statistics

First Moment Business Decision

Stats

getwd()

## [1] "C:/Users/yogesh.thimmegowda/Desktop/SKY/R MarkDown"

mba<-read.csv("mba.csv")
attach(mba)
colnames(mba)

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

meangmat<-mean(gmat)
mediangmat<-median(gmat)
meangmat

## [1] 711.1643

mediangmat

## [1] 710

Second Moment Business Decision

sd(gmat)

## [1] 29.33971

var(gmat)

## [1] 860.8188

Third & Fourth Moment Business Decision

#install.packages("e1071")
attach(mba)

## The following objects are masked from mba (pos = 3):
## 
##     datasrno, gmat, workex

library(e1071)

## Warning: package 'e1071' was built under R version 3.4.4

skewness(gmat)

## [1] -0.5931675

kurtosis(gmat)

## [1] 1.141141

barplot(gmat)

boxplot(gmat)

hist(gmat)