Basic Statistics

First Moment Business Decision

MEAN & Median

a=2
b=3
c=a+b

mba <- read.csv("C:\\Users\\yogesh.thimmegowda\\Desktop\\SKY\\Python Codes\\Basic Statistics _ Visualizations\\mba.csv")

attach(mba)
mean(workex) # Mean of Workexperience

## [1] 57.50194

mean(gmat) # Mean of GMAT

## [1] 711.1643

median(gmat) # Median of Gmat

## [1] 710

Second Moment Business Decision

sd(gmat) # Stdev of Gmat

## [1] 29.33971

var(gmat)

## [1] 860.8188

sd(workex)

## [1] 27.38682

var(workex)

## [1] 750.0379

Third Moment Business Decision

hist(gmat)

library(e1071)

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

skewness(gmat)

## [1] -0.5931675

kurtosis(gmat)

## [1] 1.141141

skewness(workex)

## [1] 2.598422

kurtosis(workex)

## [1] 13.26826

hist(workex)

barplot(gmat)