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Beta Company is manufacturing steel wire with an averagetensilandstrength of 50 kilos. The laboratory tests 16 pieces and finds that the mean weight is 47

Beta Company is manufacturing steel wire with an averagetensilandstrength of 50 kilos. The laboratory tests 16 pieces and finds that the mean weight is 47 kilos. Are the results in accordance with the hypothesis that the population mean is 50 kilos?

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