Title: Comparison of four smart phones.
Author: Lekha Karnik
Roll No: 0222025 (MMS batch A)
Introduction:
I compare Samsung, Vivo, OnePlus, Realme smart phones. Samsung is a leading manufacturer of smartphones and offers a wide range of models, vivo is a Chinese smartphone manufacturer known for its sleek designs and focus on camera technology, OnePlus is a Chinese smartphone manufacturer known for its flagship-level devices with a focus on performance and user experience. Realme is a Chinese smartphone brand known for delivering feature-rich devices at competitive prices.
Objective: To compare the four smart phones.
Data Collection:
The data was gathered through a paper-based survey from a sample of 20. This randomly selected sample comprised the students of Kohinoor Business School who participated in the research and filled out the survey. These students graded the four smart phones (Samsung, Vivo, OnePlus, and Realme) out of 10. A one-way ANOVA was conducted.
Data Analysis:
Hypothesis:
H0: All Smart phones are equal (A=B=C=D)
H1: Anyone smart phone is different
ANOVA
| 
 Source of Variation  | 
 SS  | 
 df 
  | 
 MS  | 
 F  | 
 P-value  | 
 F crit  | 
| 
 Between Groups  | 
 5.2375  | 
 3  | 
 1.745833  | 
 0.23836  | 
 0.869342  | 
 2.72494392  | 
| 
 Within Groups  | 
 556.65  | 
 76  | 
 7.324342  | 
 
  | 
 
  | 
 
  | 
| 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
 
  | 
| 
 Total  | 
 561.8875  | 
 79  | 
 
  | 
 
  | 
 
  | 
 
  | 
Result:
Since the P-value is more than 0.05, accept the null hypothesis (H0) and reject the alternate hypothesis (H1), which means all smart phones are equal.