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You do a study where you look at the number (frequency) of people that choose to use each car wash method.  The four methods are: [1] hand wash, [2] drive-through wash, [3] wash it yourself at home, and [4] just wait for it to rain (method #4 is Prof. Vincent’s preferred method).  You start by assuming that exactly one fourth of car owners will choose each method.  Then, you survey a sample of n=100 people to ask them about their preferences regarding washing their cars.  Finally, you compare the number you expected to pick each method vs. the number you actually observed using each method when you asked by survey.  What kind of hypothesis test would allow you to do this? One-Factor, Independent-Measures ANOVA Correlation/Regression Chi-Square Goodness of Fit Two-Factor ANOVA

You do a study where you look at the number (frequency) of people that choose to use each car wash method.  The four methods are: [1] hand wash, [2] drive-through wash, [3] wash it yourself at home, and [4] just wait for it to rain (method #4 is Prof. Vincent’s preferred method).  You start by assuming that exactly one fourth of car owners will choose each method.  Then, you survey a sample of n=100 people to ask them about their preferences regarding washing their cars.  Finally, you compare the number you expected to pick each method vs. the number you actually observed using each method when you asked by survey.  What kind of hypothesis test would allow you to do this? One-Factor, Independent-Measures ANOVA Correlation/Regression Chi-Square Goodness of Fit Two-Factor ANOVA

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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You do a study where you look at the number (frequency) of people that choose to use each car wash method.  The four methods are: [1] hand wash, [2] drive-through wash, [3] wash it yourself at home, and [4] just wait for it to rain (method #4 is Prof. Vincent’s preferred method).  You start by assuming that exactly one fourth of car owners will choose each method.  Then, you survey a sample of n=100 people to ask them about their preferences regarding washing their cars.  Finally, you compare the number you expected to pick each method vs. the number you actually observed using each method when you asked by survey.  What kind of hypothesis test would allow you to do this?

One-Factor, Independent-Measures ANOVA
Correlation/Regression
Chi-Square Goodness of Fit
Two-Factor ANOVA
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