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Beti Bachao Beti Padhao Scheme was launched in January 2015 with the aim to address sex selective abortion and the declining child sex ratio which was at 918 girls for every 1,000 boys in 2011. This is a joint initiative of the Ministry of Women and Child Development, Ministry of Health and Family Welfare and Ministry of Education.
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?
