Given the following sample data on how many minutes it takes for an item to brown/warm up in an industrial oven, find the control limits for x-bar and R. Create both the x-bar and R charts and explain if the process is in control or out of control. explain your answers and comment on what is happening in the x-bar and R charts.

Observation Sample 1 2 3 4 5 1.39 1.94 1.86 1.59 1.61 1.36 0.99 1.47 0.61 0.26 1.83 0.88 0.16 1.03 1.80 4 1.96 0.05 0.20 1.91 0.65 1.58 2.00 1.87 1.88 1.60 0.56 1.35 0.85 0.22 1.21 1.20 0.33 0.94 0.72 0.72 1.99 0.44 0.37 1.06 0.57 1.88 1.74 1.07 1.56 0.72 10 0.44 0.43 0.91 1.45 0.12 11 0.19 1.25 1.41 1.16 0.99 12 1.39 0.53 0.39 1.40 1.31 13 1.24 0.45 1.23 0.14 0.44 14 1.00 1.93 2.00 1.34 0.71 15 0.62 0.43 0.26 0.77 1.02