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A real estate developer is building a new apartment complex. He wants to know if people have a preference for one of 3 different floor plans. He surveyed n = 60 people and asked which floor plan they preferred. The data

A real estate developer is building a new apartment complex. He wants to know if people have a preference for one of 3 different floor plans. He surveyed n = 60 people and asked which floor plan they preferred. The data

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 real estate developer is building a new apartment complex. He wants to know if people have a preference for one of 3 different floor plans. He surveyed n = 60 people and asked which floor plan they preferred. The data are below: A) Calculate the degrees of freedom (df) for chi-square. B) Using an a = .05, what is the critical value for chi-square (Xorit)? C) Assuming all choices would be equally likely to be chosen, what would be the expected frequency (fe) for all groups? D) Calculate chi-square (27) E) What is the statistical decision that should be made from these data?
5. A real estate developer is building a new apartment complex. He wants to know if people have a preference for one of 3 different floor plans. He surveyed n= and asked which floor plan they preferred. The data are below: 60 people into a room Floor Plan A Floor Plan B Floor Plan B 20 24 16 A) Calculate the degrees of freedom (df) for chi-square. B) Using an a = .05, what is the critical value for chi-square (xerit)? C) Assuming all choices would be equally likely to be chosen, what would be the expected frequency (fe) for all groups? D) Calculate chi-square (x²) E) What is the statistical decision that should be made from these data?
Transcribed Image Text:5. A real estate developer is building a new apartment complex. He wants to know if people have a preference for one of 3 different floor plans. He surveyed n= and asked which floor plan they preferred. The data are below: 60 people into a room Floor Plan A Floor Plan B Floor Plan B 20 24 16 A) Calculate the degrees of freedom (df) for chi-square. B) Using an a = .05, what is the critical value for chi-square (xerit)? C) Assuming all choices would be equally likely to be chosen, what would be the expected frequency (fe) for all groups? D) Calculate chi-square (x²) E) What is the statistical decision that should be made from these data?
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