final exam!!! it's a 2 hr test!

d) Statistic 2. The following data represents the number of curl ups completed in 60 seconds by a group of sixteen 8-year-old boys. Create a stem and leaf plot for this data. Number of curl ups in 60 seconds 31 34 41 36 27 29 18 33 31 28 34 22 26 28 36 42 Note the following useful information: Ex = 496, E x2 = 15982, and (x - x)2 = 3460206 3. Using the data from problem 2, calculate the sample mean