The Scientist Wishes to Summarize the Data in a Way

question 49

Multiple Choice

The scientist wishes to summarize the data in a way that can be compared to other studies on biological magnification of heavy metals in insect-eating birds that live in other forest fragments.What is the best way for the scientist to summarize the data for comparative purposes?

• A)Calculate the mean concentration of heavy metals measured in the birds that were found in a fragment.
• B)Calculate the mean concentration of heavy metals measured in the birds that were found in a fragment,and divide by the size of the fragment.
• C)Calculate the sum total concentrations of heavy metals across all the birds found in a fragment.
• D)Calculate the sum total concentrations of heavy metals across all the birds found in a fragment,and divide by the size of the fragment.

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Definitions:

Clearing

The process of reconciling purchases and sales of various options, futures, or securities, and the direct transfer of funds from one financial institution to another.

Net Float

The difference between checks written against and deposited in an account, before those checks have been cleared and settled.

Money Market Securities

are short-term financial instruments, such as treasury bills and commercial paper, that provide liquidity and relatively low risk.

Average Daily Receipts

The average amount of cash received by a business on a daily basis, calculated over a specific period of time.