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In Excel, the mean function is used to calculate the average of a set of numbers. The numbers used can come from any cell in an Excel spreadsheet by listing the cells involved into the average function box.


Businesses use Excel spreadsheets to display financial information and other data relevant to the running of the business. Microsoft Excel helps businesses organize data from multiple sources including in-store-transactions, online sales and social media.


A cell in Microsoft Excel is a rectangular-shaped box on a worksheet. Any combination of numbers or words can be entered in the cell; however, Excel is generally used as a calculation tool.


One example of an expert system is an artificial intelligence system that emulates an auto mechanic's knowledge in diagnosing automobile problems. This hypothetical expert system would likely be the result of engineering using an actual mechanic's knowledge base.


An excellent score is the level at which a borrower gets optimal loan terms and rates. The minimum credit score considered excellent fluctuates over time, but the Home Buying Institute has reported that a FICO score of 740 out of 850 was "excellent" as of 2013.


Get practice tests for Microsoft Excel from websites such as Testprep-online.com, Proprofs.com, ISOgrad.com and Wiziq.com. Some tests are free, and others are premium to allow users hone their skills and knowledge on Excel.


The advantages of using Microsoft Excel are that users can maximize the value of their data by building great charts, using conditional formatting, identifying trends, bringing data together and utilizing online access. Excel gives businesses strong tools, but can be eq...