(Answered) Question suppose that two drugs are both effective in

Statistics

Question: Suppose that two drugs are both effective in prolonging length of life after a heart attack. Substantial statistical evidence indicates that the mean life length for those using drug A is greater than the mean life length for those using drug B, but the variation of life lengths for drug A is substantially greater as well. Explain why it is difficult to conclude that drug A is better even though the mean life length is greater.

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