Which Standard Deviation & Variance to use in Excel (and SQL!).

A look at STDEV, STDEVP, VAR and VARP- Amy M., from Developing SQL Queries for SQL Server, writes… “I know there are two functions for standard deviation and for variance in Transact-SQL, but I can never remember when to use which.” You are so right, Amy. It is hard to know when to use STDEV […]
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Announcing New IT Training Courses: Make Better Use of Your Company’s Data

Curious about how you can enhance your AngularJS or SQL server skills? Or do you want to learn how to capitalize on data stored in Hadoop? Develop your IT skills and make more informed business decisions with the addition of our three new IT training courses! Our 3-4 day courses are designed to deliver both […]
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