3. Given the following sample of monthly rents in one city: 850 925 2400 850 750 800 950 (a) Find the mean, median, and mode. Which average is the most useful here? Explain your answer. (b) Find the sample standard deviation (s) of these numbers using a table as shown: I - (x x) | (x x) (c) Find the mean, median, and standard deviation with the possible outlier removed. How is each one different?