Answered You can hire a professional tutor to get the answer.

# A sample of 12 measurements has a mean of 27 and a standard deviation of 3.

A sample of 12 measurements has a mean of 27 and a standard deviation of 3.25. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 27 each. Find the standard deviation of the sample of 14 measurements.