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Suppose we are computing the test statistic z for a hypothesis test about a mean with a known variance describe qualitatively what happens to the
Suppose we are computing the test statistic z for a hypothesis test about a mean with a known variance describe qualitatively what happens to the test statistic z when 1. The sample mean ( X with line on top of it ) increases 2. The population standard deviation decreases 3. The sample size n increases Be sure to describe whether the change will make it more likely or less likely to reject Null hypothesis
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