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Online Tutors help in solving Standard Deviation Problems
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Posted On :
Nov-05-2011
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Article Word Count :
432
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Mathematics has various standard formulas for solving complex math queries, but although having these formulas, the solution of problems is still tough. But as we
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Mathematics has various standard formulas for solving complex math queries, but although having these formulas, the solution of problems is still tough. But as we know the online math services for tutoring online is an advanced way of teaching because it has solution for such problems. Various online math tutoring websites has developed some software programs which run on Internet browser to solve complex queries in a moment for you. These software programs use the standard formulas of math and you just need to put the value of variables as input and this tool give you the solution of it. The tools are called online math calculator and some of the calculators are graphing calculator, percentage calculator, decimal to fraction calculator, Standard Deviation Calculator , etc.
Friends today we are going to talk about one of these online tools, standard deviation calculator which is used in statistics and probability problems while finding the variance and standard deviation of given data set. Standard deviation is a mathematical term which is used to describe the problems of probability in respect of diversity and variability in the given data set and analysis of these problems is done with the standard deviation formulas.
Standard deviation calculation depends on the value of variance because standard deviation is the square root of variance. Variance is denoted by sigma square which is represented as ( σ2 ) so the standard deviation will be ( σ).
While calculating standard deviation, some other calculations are required which are mean or average value of given data set, square of difference value of mean and each entity and sum of this result which is known as variance. There are two standard formulas which are directly implemented by standard deviation calculator for answering the query ---->
First is standard deviation formula for population = √(1/N ∑i=1N ( xi – µ )2)
and second is used when sample of standard deviation is to be calculated = √(1/(N-1) ∑i=1N ( xi – µ )2)
Tutoring online is a good option for students to do their homework on time with help of online tutors. These tutors are available for each subject for example they also give chemistry help with proper learning lessons.
In chemistry there are various numerical problems which required analytical skills to solve them and with the online chemistry help you are able to enhance your skills in math calculation for solving those calculation based problems of chemistry.
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Article Source :
http://www.articleseen.com/Article_Online Tutors help in solving Standard Deviation Problems_100510.aspx
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Author Resource :
TutorVista is the #1 portal for learning chemistry help. The tutors working with us are great in explaining tutoring online in best possible way.
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Keywords :
chemistry help, tutoring online, Standard Deviation Calculator,
Category :
Reference and Education
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Reference and Education
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