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Difference in the population means

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In a random sample of 10 football players, the average age was 27 and the sum of squared deviations was 300. In a random sample of 20 hockey players, the average age was 25 and the sum of squared deviations was 450. Estimate, with a 95% confidence interval, the difference in the population means, assuming al = a2.

Reference no: EM131870399

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