BUSINESS APPLICATION LAB SESSION-3

Assignment -1 a)

Fit Linear Model and comment on the applicability of Linear Model on Groove Mileage Data

Solution: 

It is clear from the parabolic plot that regression is not possible.

Assignment -1 b)

Fit Linear Model and comment on the applicability of Linear Model on

Alpha-Pluto Data. Also do Qq plot and Qqline

Solution:

Points are randomly located. So regression is possible.

QQPlot

 QQLine

Assignment -2

Justify Null Hypothesis using ANOVA for the given data for chairs.

Solution:

p value of 0.687 is sufficiently high. So we cannot reject the null hypothesis.
Since p-value is greater than 5%, we cannot reject the null hypothesis.