A phone company plans on offering their new smartphone in four colours: white, black, silver and rose gold. They anticipate that 30% of shoppers will prefer white, 35% will prefer black, 20% will prefer silver and 15% will prefer rose gold. They perform market research by asking a random sample 350 potential customers which colour they prefer. Colour White Black Silver Rose Gold Frequency 100 130 85 35 Can the company conclude that their observed frequencies are consistent with the expected distribution at a 5% level of significance?
A phone company plans on offering their new smartphone in four colours: white, black, silver and rose gold. They anticipate that 30% of shoppers will prefer white, 35% will prefer black, 20% will prefer silver and 15% will prefer rose gold. They perform market research by asking a random sample 350 potential customers which colour they prefer. Colour White Black Silver Rose Gold Frequency 100 130 85 35 Can the company conclude that their observed frequencies are consistent with the expected distribution at a 5% level of significance?
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 phone company plans on offering their new smartphone in four colours: white, black, silver and rose gold. They anticipate
that 30% of shoppers will prefer white, 35% will prefer black, 20% will prefer silver and 15% will prefer rose gold. They
perform market research by asking a random sample 350 potential customers which colour they prefer.
Colour White Black Silver Rose Gold
Frequency 100 130 85 35
Can the company conclude that their observed frequencies are consistent with the expected distribution at a 5% level of significance?
*Please provide calculation using excel
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