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Statistics – Data collection – Questionaire Designing
A questionnaire is a form containing a set of questions, which are filled by the…
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Statistics – Arithmetic Mean
Arithmetic Mean in the most common and easily understood measure of central tendency. We can…
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Statistics – Cumulative Poisson Distribution
λλ is the shape parameter which indicates the average number of events in the given time…
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Statistics – Cumulative plots
A cumulative plot is a way to draw cumulative information graphically. It displays the number…
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Statistics – Correlation Co-efficient
Correlation Co-efficient A correlation coefficient is a statistical measure of the degree to which changes…
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Statistics – Co-efficient of Variation
Coefficient of Variation Standard variation is an absolute measure of dispersion. When comparison has to…
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Statistics – Cumulative Frequency
Cumulative frequency is defined as a running total of frequencies. The frequency of an element…
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Statistics – Continuous Uniform Distribution
The continuous uniform distribution is the probability distribution of random number selection from the continuous…
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Statistics – Comparing plots
Groups of population can be compared using box and whisker plots. Overall visible spread and…
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Statistics – Combination with replacement
Each of several possible ways in which a set or number of things can be…