For a population with population mean 50 and standard deviation 7, a) If the population is normally

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For a population with population mean 50 and standard deviation 7,

a) If the population is normally distributed, which sample size would lead to the smallest variance for X̅, n = 100 or n = 300?

b) If the population is NOT normally distributed, which sample size would lead to the smallest variance for X̅, n = 100 or n = 300?

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