Asked Apr 12, 2019

The following are the normalized levels of a critical protein in 12

samples of blood:

8.2 , 4.7 , 10.3 , 11.7 , 18.3 , 5.9 , 3.8 , 18.9 , 7.6 , 14.2 , 9.8 , 16.4

Compute the sample mean, the sample median, and the sample

standard deviation.

check_circleExpert Solution
Step 1

Mean and standard deviation:

Step 2


The median is the middle-most value in a data set. For even number of observations, the median is the mean of the two middle-mist values, when the data is arranged in an ascending or descending order.

The data in ascending order is:

3.8, 4.7, 5.9, 7.6, 8.2, 9.8, 10.3, 11.7, 14.2, 16.4, 1...

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