1. 2. 3. What is the Greek symbol that used to represent the population mean? What is the symbol we use to represent the sample mean? What are the Greek/Latin symbols for the population standard deviation and the sample standard deviation? What is the mean and standard deviation of these five numbers: 10, 12, 50, 15, 13? Which number better represents the series of numbers from Question 2, the median or the mean? Why?