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Age Gender 30 Y 24 N 45 Y 23 N 32 Y 20 N 22 N 51 N 25 Y 29 N 25 Y 44

Age Gender 30 Y 24 N 45 Y 23 N 32 Y 20 N 22 N 51 N 25 Y 29 N 25 Y 44 N 21 N 44 N 39 Y 26 Y For the average age, form a 95% confidence interval: What distribution should be used

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