Question: please show your work. I would prefer an explanation without excel TABLE 6.10 Complaints and Ratings of Cleaning Crews First-row numbers for each month represent

please show your work. I would prefer an explanation without excel

TABLE 6.10 Complaints and Ratings of Cleaning Crews First-row numbers for each month represent total number of complaints. Second-row numbers for each month represent ratings on a 1-to-10 scale; any rating under 5 is felt to be poor, and 8 or above is good. QUESTIONS 1. Prepare an X-chart and R-chart for complaints, and plot the average complaints for each crew during the nine-month period. Do the same for the performance ratings. What does this analysis reveal about the service quality of CSI's crews

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