Relax! The General Social Survey asked 1683 people how many hours per day they were able to relax. The results are presented in the following table. Number of Hours Frequency 1 19 189 333 251 DO YOUAWN- 315 233 148 32 63 Total 1683 Part 1 of 2 (a) Compute the mean My. Round the answer to three decimal places as needed. 3.357 Part: 1 / 2 Part 2 of 2 (b) Compute the standard deviation . Round the answer to three decimal places as needed