R for MBA's- Calculating quartiles/quantiles using R

Coding

> x<-c(97,92,104,189,156,156,125)


> quantile(x)

Output

   0%      25%       50%       75%     100% 
 92.0     100.5     125.0      156.0    189.0 

R for MBA's: Calculating Range of numbers using R

 Coding: 

> x<-(97,92,104,189,156,156,125)

> range(x)

Output

[1]  92 189

R for MBA's- Calculating Standard Deviation and Variance using R

Coding and output

> x<-c(97,92,104,189,156,156,125)

> sd(x)

Standard deviation: [1] 36.64112

> var(x)

 variance: [1] 1342.571