Title: Comparing four different Shampoo.
Author: Payal Prashant Athikary
Introduction
This research aims to compare four popular shampoo brands: Dove, Sunsilk, Head & Shoulders, and L’Oréal. Each brand represents a unique approach to hair care, catering to diverse consumer needs and preferences.
Objective
To Compare the four shampoos
Data Collection:
A survey was conducted in the classroom in which students were asked to rate the shampoo on a scale of 10. Then the data was added to the excel sheet from which the anova table was derived.
Data Analysis
| 
 ANOVA  | 
||||||
| 
 Source of Variation  | 
 SS  | 
 df  | 
 MS  | 
 F  | 
 P-value  | 
 F crit  | 
| 
 Between Groups  | 
 8.1375  | 
 3  | 
 2.7125  | 
 0.345397  | 
 0.792562  | 
 2.724944  | 
| 
 Within Groups  | 
 596.85  | 
 76  | 
 7.853289  | 
|||
| 
 Total  | 
 604.9875  | 
 79  | 
 
  | 
 
  | 
 
  | 
 
  | 
Hypothesis
Ho: All are same
H1: Any one of them is different.
Conclusion
P value is 0.792 which is greater than 0.05. Thus, we accept null hypothesis and reject alternate hypothesis.