University of Virginia STAT STAT MISC Are the following statements true or false? If false, explain….
Are the following statements true or false? If false, explain.
1. The sample mean is an unbiased estimator of the population mean because the sample mean is always equal to the population mean.
2. For a sample mean to be an unbiased estimator of the population mean, a large sample needs to be drawn.
3. Sample means are less variable than individual observations (assuming a sample size of at least 2).
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