Need all answers please

Scenario 5: A stopwatch time study was conducted on a reengineered service process with the following results (in minutes). Based on the data collected, and assuming an allowance of 15% of job time, what would be the appropriate standard time for the process? Round/Report all of your calculated values (including frequency) to two (2) decimal places. Element 1 2 2 3 Observation (min.) 5 5 10 6 22 - 3 16 25 16 4 5 6 ** 10 9 5 7.5 - 19 20 20 21 20 20 22 20.5 www. 17 21 www 19 8 14 11 15 8 11 19.75 11.17 OT F PR 105% 100% 19.00 7.88 95% 19.48 80% 15.80 110% 12.28 ST NTC 74.43 87.57 NT