(10 pts) For the following set of sample data: x = {2, 4, 1, 1, 3, 0, 5 } a. calculate the mean, median, and mode mean: 2.2857 median: 2 mode: 1 b. calculate the standard deviation using the deviation scores method 1.80 c. Calculate the standard deviation using the raw scores method and confirm the same answer as for part b. 1.80 d. Calculate the variance. 3.24