PG @ University
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Probability and Statistics, Basic Statistics, Theory of Probability, Simple Random Sampling, Stratified Random Sampling, Systematic Sampling, Cluster Sampling, Double Sampling, Charts and Diagrams, Variance
i worked in UG college two years
it is the positive square root of standard devation.it is back bone of staiatics.
it is discovered by karl pearson.it us mostly used measure of dispersion.
it tells shape of distribution.
it tells about convexity of distribution.
the ratio of (standard deviation*100) and mean is called coefficients of variation.
the ratio of sum of observation and number of observation s.it is mostly used in statistics.
it divides the data teo equal parts.
it repeats most frequently.
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