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1. The means of two independent random samples of sizes 12 and 10 are 7.125 and 6.45 respectively. The sum of squares of deviations

1. The means of two independent random samples of sizes 12 and 10 are 7.125 and 6.45 respectively. The sum of squares of deviations of the Sample observations from the respective sample means are 8.558 and 5.229. Do you think that mean of the first population is larger? Test the hypothesis at 5% LOS (Assume normal population with same standard deviation).

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