To monitor the number of blemishes on a polished surface a company randomly selects 10 units of output from its process and counts the number of blemishes on each unit. The sample results are shown below 
Given the sample information above, the average number of defects per unit for this process would be
Definitions:
Investment Project
An undertaking requiring capital investments, aimed at generating future benefits, such as profits or community advantages.
Net Present Value
The difference between the present value of cash inflows and the present value of cash outflows over a period, used to evaluate the profitability of an investment.
Investment Project
A project that involves allocating resources like capital, manpower, and time with the expectation of generating future returns over the project’s lifespan.
Internal Rate Of Return
A financial metric used to evaluate the profitability of an investment, representing the interest rate where the net present value of all cash flows is zero.
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