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1. Arterial blood gas analysis performed on a sample of 15 physically active adult males yielded the following resting PaO2 values.

75 80 80 74 84 78 89 72 83 76 75 87 78 79 88

The data come from a normally distributed population. Compute the 95% confidence interval for the mean of the population


Sagot :

Answer: 74.6

Explanation:

75+80+80+74+84+78+89+72+83+76+75+87+78+79+88= 1119

you add all of them up  the count how many numbers you added together  so 1119 divide by 15 gives you  74.6