7. A sample mean qualifies as a rare outcome if it appears to emerge from the...

Question

7. A sample mean qualifies as a rare outcome if it appears to emerge from the... A. Dense concentration of possible sample means in the middle of the sampling distribution. B. Dense concentration of possible sample means in either tail of the sampling distribution. C. Sparse concentration of possible sample means in the middle of the sampling distribution. D. Sparse concentration of possible sample means in the either tail of the distribution. When testing a hypothesis, null hypothesis rejection regions are located in the... A. Extreme areas of the hypothesized sampling distribution. B. Middle areas of the hypothesized sampling distribution. C. Most sensitive areas of the hypothesized sampling distribution. D. Most questionable areas of the hypothesized sampling distribution. 8. 9. The nulhypothesis... A. Is not tested. B. Makes a claim about a range of values. C. Usually asserts that nothing special is happening with respect to some population characteristic. D. Usually is identified after calculating statistical tests.

Explanation / Answer

7.A sample mea qualifies as a rare outcome if it appears to emerge from the...

Answer: Option D is correct. Sparse concentration of possible sample means in the either tail of the distribution.

8. When testing a hypothesis, null hypothesis rejection regions are located in the...

Answer: Option A is correct. Extreme areas of the hypothesized sampling distibution.

9. The null hypothesis...

Answer: Option C is correct. Usually asserts that nothing special is happening with respect to some population characteristic.

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