Question 1.87

image 1.87 A standard deviation contest. This is a standard deviation contest. You must choose four numbers from the whole numbers 10 to 20, with repeats allowed.

  1. (a) Choose four numbers that have the smallest possible standard deviation.

  2. (b) Choose four numbers that have the largest possible standard deviation.

  3. (c) Is more than one choice possible in either part (a) or part (b)? Explain.