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A study was conducted to determine smartphone users' preferences for three popular brands: Samsung, Apple and Xiomi. A total of 570 respondents were taken randomly (170 Samsung users, 205 Apple users, 195 Xiaomi users) and asked whether they were likely to buy the same brand smartphone in the near future or switch to another brand. The survey results are shown in the following table: Repurchase samsung: 110 apple: 120 xiaomi: 135 Switch samsung: 60 apple: 85 xiaomi: 60 a. Make a hypothesis that aims to answer the problem above! b. Use a = 5% to test the hypothesis using the critical value approach

A study was conducted to determine smartphone users' preferences for three popular brands: Samsung, Apple and Xiomi. A total of 570 respondents were taken randomly (170 Samsung users, 205 Apple users, 195 Xiaomi users) and asked whether they were likely to buy the same brand smartphone in the near future or switch to another brand. The survey results are shown in the following table: Repurchase samsung: 110 apple: 120 xiaomi: 135 Switch samsung: 60 apple: 85 xiaomi: 60 a. Make a hypothesis that aims to answer the problem above! b. Use a = 5% to test the hypothesis using the critical value approach

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A study was conducted to determine smartphone users' preferences for three popular brands: Samsung, Apple and Xiomi. A total of 570 respondents were taken randomly (170 Samsung users, 205 Apple users, 195 Xiaomi users) and asked whether they were likely to buy the same brand smartphone in the near future or switch to another brand. The survey results are shown in the following table: Repurchase samsung: 110 apple: 120 xiaomi: 135 Switch samsung: 60 apple: 85 xiaomi: 60 a. Make a hypothesis that aims to answer the problem above! b. Use a = 5% to test the hypothesis using the critical value approach
Transcribed Image Text:A study was conducted to determine smartphone users' preferences for three popular brands: Samsung, Apple and Xiomi. A total of 570 respondents were taken randomly (170 Samsung users, 205 Apple users, 195 Xiaomi users) and asked whether they were likely to buy the same brand smartphone in the near future or switch to another brand. The survey results are shown in the following table: Repurchase samsung: 110 apple: 120 xiaomi: 135 Switch samsung: 60 apple: 85 xiaomi: 60 a. Make a hypothesis that aims to answer the problem above! b. Use a = 5% to test the hypothesis using the critical value approach
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