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Dudhsagar Falls is a four-tiered waterfall located on the Mandovi River in the Indian state of Goa. It is one of India's tallest waterfalls, standing at 310 meters (1017 feet) in height.
For a distribution with mean, median, mode and standard deviation 25, 24, 26 and 5 respectively, Karl Pearson's coefficient of skewness equals to:
For the frequency distribution of X number of grammatical mistakes per line is as follows.
X: 0 ...
The interquartile range excludes ___ of the values.
For a normal distribution, which of the following is true?
If the second and third moment about the origin are 8 and 18 and the third moment about mean is -14 , then the first moment about the origin is:
A Poisson distribution has a double mode at x = 1 and x = 2. The probability for x = 1 or for x = 2 of these two values is:
If the first quartile of data set 8,10,8,7,9 is 7.5, then the value of quartile deviation is
The following observations 14, 19, 17, 20, 25 constitute a random sample from an unknown population with mean u and standard deviation σ.
The...
Which option is incorrect?
