The funds-transfer department of a bank is concerned with turnaround time for investigations of funds-transfer payments. A payment may involve the bank as a remitter of funds, a beneficiary of funds, or an intermediary in the payment. An investigation is initiated by a payment inquiry or a query by a party involved in the payment or any department affected by the flow of funds. When a query is received, an investigator reconstructs the transaction trail of the payment and verifies that the information is correct and that the proper payment is transmitted. The investigator then reports the results of the investigation, and the transaction is considered closed. It is important that investigations be closed rapidly, preferably within the same day. The number of new investigations and the number and proportion closed on the same day that the inquiry was made are stored in FundTran.
a. Construct a control chart for these data.
b. Is the process in a state of statistical control? Explain.
c. Based on the results of (a) and (b), what should management do next to improve the process?
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