Mathematics, 10.04.2020 16:29 jaydenbomkamp6084

True or false?

"When σ is unknown, to get a certain margin of error, one should use an estimate of σ that is considered to be at least as large as the true σ. This will provide a conservative sample size to be on the safe side."

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"When σ is unknown, to get a certain margin of error, one should use an e...