Title: One Way ANOVA calculation for 4 Computer Brands.
Author: Rohit Thorat
MMS, Batch A
Roll No. 59
Introduction:
In this analysis 4 products have been taken, namely:
HP entered the computer market with the HP 2116A in 1966. It was designed to control HP’s large product line of test and measurement equipment. By 1969, HP was marketing a timesharing computer system and continued to issue new products, including their HP-35 hand-held calculator and several computers in the 1970s.
The company designs, develops, manufactures, markets, sells, and supports information technology infrastructure such as laptops, desktops, mobiles, workstations, storage devices, software, cloud solutions, and notebooks. It markets products under Dell, Pivotal, Dell EMC, SecureWorks, and Alienware, brand names.
ASUS is a Taiwan-based, multinational computer hardware and consumer electronics company that was established in 1989. Dedicated to creating products for today’s and tomorrow’s smart life, ASUS is the world’s No. 1.
Acer Inc (Acer) is an information and communication technology company that develops, designs, markets, and exports IT products. The company’s product portfolio comprises personal computers, projectors, tablet PCs, smartphones, wearables, smart devices, LCD monitors, servers, and ICT devices.
Objective: To Compare 4 Products by the way of One Way ANOVA.
Data Collection: Students of our batch were requested to grade the following products on the scale of 1-10 and One Way ANOVA was calculated.
Data Analysis:
Hypothesis:
H0: All products are equal (A=B=C=D)
H1: Any one of products is different.
|
Source of Variance |
SS |
DF |
MSS |
F |
|
Between Groups |
32.2375 |
3 |
10.7458 |
|
|
Within Groups |
551.15 |
76 |
7.2519 |
|
|
Total |
583.3875 |
79 |
|
1.4817 |
Result: Table F=0.05, 3 DF, 76 DF = 2.72
As Calculated F = 1.4817 is less than tabulated F= 2.72, accept H0, reject H01, which means all the products are same