1. A sample is obtained from a population with u = 100 and o = 20. Which of the following samples would produce the z-score closest to zero? * A sample of n = 25 scores with M = 102 * A sample of n = 100 scores with M = 102 * A sample of n = 25 scores with M = 104 * A sample of n = 100 scores with M = 104