Question 1
Which of the following isNOTa property of theFdistribution?
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Fdistributions are nonsymmetrical.
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Fcan assume only positive values.
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Fdistributions haven– 1 degrees of freedom.
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There are manyFdistributions and each has a different shape.
Question 2
Which of the following options would serve as an intuitive estimate of the parameter\(\style{font-family:Times New Roman;}{\mu_1-\mu_2}\)?
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\(\style{font-family:Times New Roman;}{{\overline X}_1-{\overline\sigma}_1}\)
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\(\style{font-family:Times New Roman;}{{\overline X}_2-\mu_2}\)
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\(\style{font-family:Times New Roman;}{{\overline X}_1-{\overline X}_2}\)
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\(\style{font-family:Times New Roman;}{S_1-S_2}\)