The following data (stored in Canister) represent the findings from a study conducted at a factory that manufactures film canisters. For 32 days, 500 film canisters were sampled and inspected. The following table lists the number of defective film canisters (the nonconforming items) for each day (the subgroup):

a. Construct a p chart.
b. Is the process in a state of statistical control? Why?

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987846378420 n-21122 2 2 2 2 2 2 2 2 2 6789012 a! 789012 D-1112222222222333 f 6 5 3 4 6 0173 n-222222222 265909 1234567890123456