State the null hypothesis for a one-way ANOVA test if there are four groups. a.H0: none of the group means are equal. b.H0: At least two of the group means ?1, ?2, ?3, ?4 are not equal. c. H0: Only two of the group means ?1, ?2, ?3, ?4 are equal. d.H0: ?1 = ?2 = ?3 = ?4 e.H0: ?1 = ?2 = ?3 = ?4 = 0

State the null hypothesis for a one-way ANOVA test if there are four groups. a.H0: none of the group means are equal. b.H0: At least two of the group means ?1, ?2, ?3, ?4 are not equal. c. H0: Only two of the group means ?1, ?2, ?3, ?4 are equal. d.H0: ?1 = ?2 = ?3 = ?4 e.H0: ?1 = ?2 = ?3 = ?4 = 0

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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Question

State the null hypothesis for a one-way ANOVA test if there are four groups.

a.H₀: none of the group means are equal.

b.H₀: At least two of the group means ?₁, ?₂, ?₃, ?₄ are not equal.

c. H₀: Only two of the group means ?₁, ?₂, ?₃, ?₄ are equal.

d.H₀: ?₁ = ?₂ = ?₃ = ?₄

e.H₀: ?₁ = ?₂ = ?₃ = ?₄ = 0

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