You have below in a table the frequency distribution of the waiting time of customers at a sandwich shop. Using the information: a. calculate the Average (Mean) and b. Standard Deviation of the waiting time for customers at this shop Wait Time   Customers 14 16 19 25 160 225 175 40.

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Payback Period

Payback period analysis is a method used to determine the relative time value of a project. It measures the time that a project will take to return its initial investment. The total time taken by the project to return the initial investment made for the project is called the payback period.