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To monitor the quality of pepperoni pizzas, a quality control manager collects random samples of pizzas and evaluates them. The process mean and standard deviation for the weight and diameter of pizzas are not known. Which of the following(s) is a correct matching between the type of data collected and the choice of control chart used? Select all correct matchings. Select one: a. The manager rated the appearance of sampled pizzas as acceptable or unacceptable and then constructed a c-chart. b. The manager measured the diameter of the sampled pizzas and constructed a range chart. c. The manager weighed the sampled pizzas and constructed a c-chart d. The manager counted the number of pepperonis per each inspected pizza and constructed a mean chart