# Question: Here are rates of return for a sample of recent

Here are rates of return for a sample of recent on-site service contracts:

a. Find the average and standard deviation of these rates of return.

b. Write a paragraph discussing the level of risk (a cost) and average return (a benefit) involved in this area of business.

a. Find the average and standard deviation of these rates of return.

b. Write a paragraph discussing the level of risk (a cost) and average return (a benefit) involved in this area of business.

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