Title: One Way ANOVA calculation of 4 AUTOMOBILECompanies.
Author: CHARUL DAYANAND PETKAR, MMS, Batch A Roll No. 45
Introduction:
In this analysis 4 AUTOMOBILE Companies have been taken, namely:
- Maruti Suzuki India
 
Maruti Suzuki India Limited is one of India’s leading automobile manufacturers. Established in 1981, it is a subsidiary of Suzuki Motor Corporation of Japan and has its headquarters in New Delhi, India. Maruti Suzuki is known for producing a wide range of affordable and popular cars, including hatchbacks, sedans, SUVs, and compact cars. The company has played a pivotal role in revolutionizing the Indian automotive industry and is known for its commitment to innovation, quality, and customer satisfaction. Maruti Suzuki has a vast network of dealerships and service centers across India, making it one of the most accessible and trusted automobile brands in the country.
- Hyundai Motor India
 
Hyundai Motor India Limited (HMIL) is a prominent subsidiary of Hyundai Motor Company, a global automobile manufacturer. Established in 1996, HMIL is headquartered in Chennai, India, and is known for producing a diverse range of cars, including compact cars, sedans, SUVs, and electric vehicles. They are recognized for their quality, innovation, and contributions to the Indian automotive industry
- Tata Motors
 
Tata Motors is a leading Indian automotive company, part of the Tata Group, known for producing a wide range of vehicles. Established in 1945, it has a significant presence both in India and internationally. Tata Motors is committed to innovation and sustainability and has produced popular vehicles such as the Tata Indica, Tata Nano, Tata Safari, and Tata Harrier.
- Mahindra & Mahindra
 
Mahindra & Mahindra Limited, a leader in automotive, farm and services businesses in India is headquartered in Mumbai. It was established in 1945 as Mahindra & Mohammed and later renamed as Mahindra & Mahindra. Part of the Mahindra Group, M&M is one of the largest vehicle manufacturers by production in India. Its unit Mahindra Tractors is the largest manufacturer of tractors in the world by volume.[3] It was ranked 17th on a list of top companies in India by Fortune India 500 in 2018.[4] Its major competitors in the Indian market include Maruti Suzuki India and Tata Motors.
Objective: To Compare 4 AUTOMOBILE Companies by the way of One Way ANOVA.
Data Collection: Students of our Batch were requested to grade the following AUTOMOBILE Companies on the scale of 1-10 and One-way ANOVA was calculated.
Data Analysis:
Hypothesis:
H0: All AUTOMOBILE Companies are equal (A=B=C=D)
H1: Any one of AUTOMOBILE Companies is different.
| 
 Source of Variation  | 
 SS  | 
 df  | 
 MS  | 
 F  | 
 P-value  | 
 F crit  | 
| 
 Between Groups  | 
 26  | 
 3  | 
 8.666667  | 
 1.101654  | 
 0.354156  | 
 2.731807  | 
| 
 Within Groups  | 
 566.4210526  | 
 72  | 
 7.866959  | 
 
  | 
 
  | 
 
  | 
| 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
| 
 Total  | 
 592.4210526  | 
 75  | 
 
  | 
 
  | 
 
  | 
 
  | 
Result: Table F=0.05, 3 DF, 75 DF = 2.73
As Calculated F= 1.101654is more than tabulated F= 2.73, accept H0, reject H1, which means all the companies are same.