ITBA lab Session # 3 - 22 Jan 2013

#this post is created as a solution for assignment for IT & Business Applications Lab, Spring Semester, VGSoM, IIT Kharagpur Class of 2014.

Assignment #1:

Using mileage groove data,   fit 'lm' and comment on the applicability of 'lm'

> plot(k1,res)

> qqnorm(res)

> qqline(res)

Linear regression is not applicable as shown in the graph

Assignment #2:
Using alpha pluto data, find the following

Step 1. Initial find the linear regression

a) Residual value

plot(p1,res1)






















b) Standard residual

















>qqnorm(res1)


>qqline(res1) 

Assignment#3

Justify Null Hypothesis using ANOVA

Analysis of the result:-

The P value is 0.687%.

High p value, hence we cannot reject the null hypothesis.