A random sample of n observations, selected from a normal population, is used to test the null hypothesis H 0: σ 2 = 155. Specify the appropriate rejection region. H a: σ 2 ≠ 155, n = 10, α = .05 χ2 < 3.32511 or χ2 > 16.9190 2.70039 < χ2 < 19.0228 χ2 < 3.24697 or χ2 > 20.4831 χ2 < 2.70039 or χ2 > 19.0228
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A random sample of n observations, selected from a normal population, is used to test the null hypothesis H 0: σ 2 = 155. Specify the appropriate rejection region.
H a: σ 2 ≠ 155, n = 10, α = .05
χ2 < 3.32511 or χ2 > 16.9190
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2.70039 < χ2 < 19.0228
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χ2 < 3.24697 or χ2 > 20.4831
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χ2 < 2.70039 or χ2 > 19.0228
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