operational statistics final needed done

i need the last 8 questions on this operational statistics final answered payout 60.00 you have to know business and statistics to answer these questions see attachments ill paste a couple of the questions below as well Problem Questions 1. Thermostats are subjected to rigorous testing before they are shipped to air conditioning technicians around the world. Results from the last five samples are shown in the table. Draw and R Chart and an x-bar chart. Based on the charts, is the process under control? (20 Points) Observations Sample 1 2 3 4 5 1 73.5 70.8 72.2 73.6 71.0 2 71.3 71.0 73.1 72.7 72.2 3 70.0 72.6 71.9 72.4 73.3 4 71.1 70.6 70.3 74.2 73.6 5 70.8 70.7 70.7 73.5 71.1 Answer 1: 2. A professor records the number of students who complain each week throughout the semester. If the class size is forty students, what are 3-sigma control limits for this class? Construct a control p-chart and interpret the data. Is the process in control? (20 points) Week number Complaints 1 5 2 2 3 7 4 1 5 3 6 2 7 8 8 1 9 3 10 5 11 4 12 6 13 3 14 1 15 4