You and your friends are on a weekend fishing trip, and altogether you are able to catch 20 fish. You weigh each fish and record their weight in pounds. This data is reproduced below: 2.02 2.77 2.87 0.51 0.74 1.95 2.76 2.61 3.54 2.95 2.26 2.01 3.0 1.22 1.92 1.79 0.78 1.89 0.71 1.58

a. Compute the sample mean, median, and range of the data.

b. Compute the sample standard deviation and sample variance.