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517
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Frequency Distribution
A method of organizing and considering the raw data is the conversion of raw data into a grouped data.Here, the various items of data are classified into certain groups or classes and the no of items lying in each group or class is put against that group or class. The data organized and summarized in this way is known as Frequency Distribution.
Posted on Aug-17-2011
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818
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Sampling techniques And Sampling Distributions
Population is the totality of the observations made on all the objects(under investigation) possessing some
common specific characteristics, which are of particular interest to researchers.
The population is the aggregate of the elements and these elements are the basic units that comprise and
Posted on Aug-16-2011
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1809
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Algebra: Verbal Expressions to Variable Expressions
In questions of Algebra, it is often asked first to convert the verbal expressions into variable expressions and then find the answer of the algebraic expressions. But for most of the students it becomes difficult to convert the verbal expressions and therefore it leads them to wrong solution. An algebraic expression is a number, variable or combination of the two connected by some mathematical operation like addition, subtraction,
Posted on Aug-13-2011
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