Answered: he table displays the distribution of…

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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The table displays the distribution of the percentage of different types of home heating sources for a large mountain city, as reported by the city newspaper.

Type of Heating Source	Wood Stove	Electric	Propane/Gas	Solar Radiant Floor
Percent	38%	26%	20%	16%

A chi-square goodness-of-fit test will be performed using a simple random sample of 100 homes to investigate whether the proportion of homes heated with each source is the same as what is reported by the newspaper. Which of the following represents the alternative hypothesis of the test?

A) The proportions for the different heating systems match those reported by the newspaper.

B) At least one of the heating source proportions is the same as the corresponding proportion reported by the newspaper.

C) The heating sources are not evenly distributed between homes.

D) At least one of the heating source proportions is different from the proportion reported by the newspaper.

E) Wood stove heating represents the highest proportion of heating source.

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