Meaningful confidence intervals of 90, 95 and 99 percent could be calculated for a single sample mean.
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Q18: Sampling distributions are the basis of probability
Q19: To select a random sample, every member
Q20: Studies that use nonrandom samples are rare
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Q22: To convey confidence intervals on a graph,
Q24: Using the techniques in Chapter 8, you
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Q26: The Central Limit Theorem applies only to
Q27: Data Set 8-1: A sample with
Q28: Data Set 8-1: A sample with
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