Categories Use the 05 significance level What is the null hy
Categories. Use the .05 significance level
 What is the null hypothesis?
 1.) m1=m2
 2.) m2=m3
 3.) m1=m3
 4.) m1=m2=m3
 Solution
The null hypothesis for any one-way anova will be
OPTION 4: u1 = u2 = u3 [ANSWER]
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It is more appropriate to use u (mu) instead of m because m will be a sample mean, but we always involve population means in null hypotheses. Anyway, it is still option 4.

