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Higher Study | Quantitative Aptitude | Elementary Statistics

If the standard deviation of a population is 7, what would be the population variance?
The mean of a distribution is 20 and the standard deviation is 4. What is the value of the coefficient variation?
If the standard deviation of a population is 4.5, what would be the population variance?
If the standard deviation of a population is 6.5, what would be the population variance?
The mean of a distribution is 15 and the standard deviation is 5. What is the value of the coefficient variation?
Quartiles are the values dividing a given set of observations into
The relation between coefficient of variation (CV) and coefficient of dispersion based on standard deviation
In a histogram, height of the rectangle always represents:
The formula of quartile deviation is
The value of coefficient of range can never be 
The correct relation between mean, median and mode is
Find the value of median + mode for the given data group  a, b, a, a, b, a, b, c, a, b, a, c, a, b, a.
Find the mean of the first five triangular numbers?
Find the Mean of three consecutive triangular number.
Find the median of the first ten prime numbers.
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