Jars of pickles are sampled and weighed. sample measures are plotted on control charts. the ideal weight should be precisely 11 oz. which type of chart(s) would you recommend to monitor the process? select one:


a. r-chart, but not x-bar chart


b. x-bar chart, but not r-chart


c. both x-bar chart and r-chart


d. p-chart


e. c-chart