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Name: Suppose a teacher wants to know whether being on time or late for clas
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Description: Suppose a teacher wants to know whether being on time or late for class is related to exam performance. He divides the class into two groups: those who are and those who are not late. He then wants to see if there is a relationship between being late

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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Suppose a teacher wants to know whether being on time or late for class is related to exam performance. He divides the class into two groups: those who are and those who are not late. He then wants to see if there is a relationship between being late to class and exam performance. Which single statistic would then be appropriate?

	a.	Z-test
	b.	One Sample t-test
	c.	Independent groups t-test
	d.	Dependent groups t-test
	e.	One Factor ANOVA
	f.	Two factor ANOVA
	g.	t-test for r > 0
	h.	Chi-square test
	i.	Phi Coefficient
	j.	Cramer’s Phi
	k.	Point Biserial r
	L.	Eta-squared
	m.	r-squared or r

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