Question 1
When an analysis of variance is performed on samples drawn from K populations, the mean square between treatments (MSTR) is
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SSTR/nT
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SSTR/(nT - 1)
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SSTR/K
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SSTR/(K - 1)
Question 2
When developing an interval estimate for the difference between two sample means, with sample sizes of n1 and n2,
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n1 must be equal to n2
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n1 must be smaller than n2
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n1 must be larger than n2
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n1 and n2 can be of different sizes,