Please answer what the symbols are for question a, b, c, and d

um Math 150 Intro to Statistics BMCC Spring 2022 TeVaughn Williams 03/03/22 6:41 PM (?) Homework: Section 3.2 HW Score: 22.73%, 2.5 of 11 points ic Homework Question 3, 3.2.4 Points: 0.5 of 1 Save Identify the symbols used for each of the following: (a) sample standard deviation; (b) population standard deviation; (c) sample variance; (d) population variance. a. The symbol for sample standard deviation is b. The symbol for population standard deviation is c. The symbol for sample variance is d. The symbol for population variance is