Question
A sample of 12 measurements has a mean of 27 and a standard deviation of 3. Suppose that the sample is enlarged to 14 measurements,
A sample of 12 measurements has a mean of 27 and a standard deviation of 3. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 27 each.
A. Find the mean of the sample of 14 measurements.
Mean =
B. Find the standard deviation of the sample of 14 measurements.
Standard Deviation =
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Mathematical Analysis And Its Applications Roorkee, India, December 2014
Authors: P N Agrawal, R N Mohapatra, Uaday Singh, H M Srivastava
1st Edition
813222485X, 9788132224853
