Researchers are interested in comparing two floor waxes. Ten floors were chosen at random from a Brooklyn warehouse. Each floor was dividedinto two sections. One wax was applied to one section and the other wax was applied to the other section. After one week of wear, each section was tested for the amount of wax remaining. The results are presented in the table below. Floor12345678910Wax 1:34564572288678645897Wax 2:27504870327868575095 In this scenario, which test is likely to be most appropriate? Separate-variance t test for the difference between two means Pooled-variance t test for the difference between two means Z test for the difference between proportions Paired difference test

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Answered: Researchers are interested in comparing…

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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Researchers are interested in comparing two floor waxes. Ten floors were chosen at random from a Brooklyn warehouse. Each floor was dividedinto two sections. One wax was applied to one section and the other wax was applied to the other section. After one week of wear, each section was tested for the amount of wax remaining. The results are presented in the table below.

Floor	1	2	3	4	5	6	7	8	9	10
Wax 1:	34	56	45	72	28	86	78	64	58	97
Wax 2:	27	50	48	70	32	78	68	57	50	95

In this scenario, which test is likely to be most appropriate?

		Separate-variance t test for the difference between two means
		Pooled-variance t test for the difference between two means
		Z test for the difference between proportions
		Paired difference test

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