SOLUTION: having problems figuring this out. help please A regular ANOVA will be used to compare 3 groups, called A, B, and C. What is the correct null hypothesis for ANOVA?

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Question 139353: having problems figuring this out. help please
A regular ANOVA will be used to compare 3 groups, called A, B, and C. What is the correct null hypothesis for ANOVA?
a.. Ho: μA= μB= μC
b. Ho: μA≠ μB≠ μC

c. Ho: μA<μB<μC

d. Ho: μA=μB or μA=μC
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Ans: a
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Equality must ALWAYS be part of Ho.
If it is not, you could not calculate the test statistic.
Cheers,
Stan H.