What does the "observed variation" in the numerator of the F test statistic measure?
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How much variation is there between the sample means in Case 1?
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Fill in the blank: The "observed variation" between the sample means is ___________ the "expected variation" in the sample means if the population means are equal.
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How much variation is there between the sample means in Case 2?
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Fill in the blank: The "observed variation" between the sample means is ___________ the "expected variation" in the sample means if the population means are NOT all equal.
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Fill in the blank: For case 1 where the population means are equal, the "observed variation" between the sample means is _____________ the "expected variation" as measured by the variability of individuals within the samples.
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Fill in the blank: For case 2 where the population means are all different, the "observed variation" between the sample means is _____________ the "expected variation" as measured by the variability of individuals within the samples.
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True or false: If the value of the F test statistic is approximately 1.0, then we will get a very small P-value and we will reject H0.
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How should you compute the F test statistic and P-value for a one-way analysis of variance procedure?
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