Question 3:  According to the journal Chemical Engineering, an important property of a fiber is its water  absorbency. A random sample of 20 pieces of cotton fiber is taken and the absorbency on each  piece was measured. The following are the absorbency values: 18.71 21.41 20.72 21.81 19.29 22.43 20.17 23.71 19.44 20.50 18.92 20.33 23.00  22.85 19.25 21.77 22.11 19.77 18.04 21.12 17.89 19.63 22.85 20.49 (a) Calculate the sample mean and median for the above sample values

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