In a Hypothesis Test for the Population Variance,the Hypotheses Are

question 57

Multiple Choice

In a hypothesis test for the population variance,the hypotheses are H₀: σ² = 30 vs.H₁: σ² < 30.If the sample size is 20 and the test is being carried out at the 5% level of significance,the null hypothesis is rejected if:

• A)χ² < 30.144.
• B)χ² > 10.851.
• C)χ² < 10.117.
• D)χ² > 31.410.

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Definitions:

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Narrowing or constriction of a blood vessel that can impede blood flow.

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A sudden cessation of heart function, leading to a lack of blood flow to the brain and other vital organs.

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