Exam 7: Point Estimation and Confidence Intervals

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The estimates of the mean and proportion that are obtained from a sample are referred to as ______ of the same values in the population.

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A researcher will have more confidence that the sample mean estimates the unknown population mean when the sample size is larger.

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A confidence level of 95% is what size alpha?

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A z-score of 1.95 corresponds to what size alpha?

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