A medical laboratory tested 8 samples of human blood for acidity on the pH​ scale, with the results below. 7.5    7.2    7.1    7.5    7.1    7.4    7.5    7.4 a. Find the mean and standard deviation. b. What percentage of the data is within 1 standard deviation of the​ mean?

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Q: a. Find the mean and standard deviation. b. What percentage of the data is within 1 standard…

A: Here , A medical laboratory tested 8 samples of human blood for acidity on the pH​ scale(xi)

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