Q81: Dispersion of a process in monitored in A. Range chartB. Mean chartC. p-chartD. c-chart AnswerAnswer A. Range chart Q82: The control chart used for the fraction of defective items in a sample is A. Range chartB. Mean chartC. p-chartD. c-chart AnswerAnswer C. p-chart Q83: The control chart used for the number of defects per…