A medical laboratory tested 8 samples of human blood for acidity on the pH​ scale, with the results below. 7.2 7.5 7.6 7.5 7.2 7.4 7.3 7.5 a. Find the mean and standard deviation. b. What percentage...


A medical laboratory tested 8 samples of human blood for acidity on the pH​ scale, with the results below.



7.2

7.5

7.6

7.5

7.2

7.4

7.3

7.5


a. Find the mean and standard deviation.

b. What percentage of the data is within
1

standard
deviation

of the​ mean?


Jun 03, 2022
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