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The estimate the current average retirement age of US citizens a researcher sampled 56 recently...

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The estimate the current average retirement age of US citizens a researcher sampled 56 recently retired individuals The sample data yielded mean 64 7 years and standard deviations 0 6 year A 98 confidence interval for the true mean retirement age of all recently retired individuals is about DOOG 64 54 64 86 64 58 64 82 64 45 64 95 64 55 64 85 64 51 64 89

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