Check my work 8 Problem 10-12 (Algo) . BOOM The time needed for checking in at a motel is to be investigated. Historically, the process has had a standard deviation equal to 0.159. The means of 39 samples of n=15 are Sample Mean Sample Mean Sample Mean Sale Mean 1 3.86 11 3.58 21 3.34 31 2 3.38 3.30 12 3:36 22 3.89 22 3.76 3 3.8 1 3.88 23 33 4 3.33 3.81 24 3.86 5 3.84 15 3.83 25 3.8 35 3.86 0 3.83 16 3.85 26 3.90 36 7 3.87 12 3.82 27 3:81 37 2. 3.88 18 3.86 28 3.86 38 3.79 9 3.14 19 3.84 29 3.98 10 3. 20 3.87 30 3.96 Print Click here for the Excel Data File 2-1 Construct an i.chart for this process with three-sigma limits (Do not round Intermediate calculations. Round your answers to 2 decimal places.) UCL LCL Mc Graw Type here to search HI * + B K LCL a-2. is the process in control? 30 Print Yes No b. Analyze the data using a median run test and an up/down run test. What can you conclude? Conclusion Te Median Up Down MC Graw Hill Type here to search . E ci s 7 S E R