Could you put this down for me a little bit more? I'm confused on which numbers go well

Consider the following two sets of incomes. Each income is in thousands of dollars per year. Answer parts (a) - (c) Group 1: 33, 37, 38, 39, 40, 43, 44, 47, 48, 51 Group 2. 33, 37, 38, 39, 40, 43, 44, 47, 48, 140 a. Find the average or mean salary for each group The mean salary for Group 1 is $ per year (Type an integer or a decimal.) The mean salary for Group 2 is $ per year. (Type an integer or a decimal.) How d