Showing posts with label Descriptive Statistics. Show all posts
Showing posts with label Descriptive Statistics. Show all posts

Thursday, June 11, 2020

Descriptive statistics tools

Descriptive statistics tools include

1.Mean
2.Median
3.Mode
4.Skewness
5.Kurtosis
6.Normal plots
7.Turf analysis
8.Cross tabulation
9.Test of linearity
10.Tests of normality
11.standard deviation
12.Variance
13.Maximum value
14.Minimum value

Saturday, June 6, 2020

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

Friday, May 22, 2020

Advanced Excel for MBA's - Calculating the Mean using Excel


Calculating mean of the datasets using Excel.

Problem1 :
Calculate the mean sales of Prasad industries's sales executive for the month MAY 2020.


Company : Prasad Industries.
Sales for May 2020(in '000s)
Sales Executive 172
Sales executive 235
Sales Executive 345
Sales Executive 452
Sales Executive 561
Sales Executive 663
Sales Executive 748
Sales Executive 859
Sales Executive 971
Sales Executive 1074

Answer
 Step 1: Click on formula
 Step 2: Insert functions
Step 3:
Step 4: Click on Average
Step 5; 
Select the sales executive 1 to 10 sales data
Step 6; The answer 58 will appear on the window.