In this article we will discuss about Mean Deviation:- 1. Meaning of Mean Deviation 2. Computation of Mean Deviation. Meaning of Mean Deviation: Deviation refers to the difference between the calculated means (arithmetic mean, median and mode) and the value of individual data. Mean deviation is the mean of the deviations of all data of […]
Mean Deviation: Meaning and Computation
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Variance: Meaning and Co-Efficient (With Calculations)
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In this article we will discuss about the meaning and co-efficient of Variance. Meaning of Variance: It is very useful measure of dispersions which is commonly used for population data. The arithmetic mean of the squares of deviations obtained from the mean is referred to as variance. It is based on standard deviation and the […]
Median: Methods, Merits and Demerits
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In this article we will discuss about Median:- 1. Meaning of Median 2. Methods of Determining Median 3. Merits 4. Demerits. Meaning of Median: When the values of all items of a series are arranged in increasing (ascending) or decreasing (descending) order it is usually called an array and the middle item of an array […]
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