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SAT, 13.12.2020 20:50 hunterthompson5578
The amount of certain trace element in blood is known to vary with a standard deviation of 24.1 ppm (parts per million) for male blood donors and 19.5 ppm foe female donors. Random sample of 85 male and 60 female donors yield concentration means of 28 and 33 ppm respectively. What is the likelihood that the population means of concentrations of the element are significant for men and women?
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The amount of certain trace element in blood is known to vary with a standard deviation of 24.1 ppm...
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