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In an ANOVA experiment, you have,
group mean [itex]\overline{y}[/itex].
overall mean [itex]\overline{y}[/itex]..
Are they independent?
Some samples overlap to calculate these means.
What is var([itex]\overline{y}[/itex].-[itex]\overline{y}[/itex]..) ?
group mean [itex]\overline{y}[/itex].
overall mean [itex]\overline{y}[/itex]..
Are they independent?
Some samples overlap to calculate these means.
What is var([itex]\overline{y}[/itex].-[itex]\overline{y}[/itex]..) ?
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