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Tshering Tobgay has been elected as Bhutan's Prime Minister for the second time, securing nearly two-thirds of seats in the election.
If xi | fi , i = 1,2,...n is a frequency distribution with standard deviation 15 and mean 30, the coefficient of variation will be equal to:
Second differencing in time series can help to eliminate which trend?
(I) Quadratic trend
(II) Linear trend
The purchasing power of money is equal to:
For making frequency distribution, the number of classes used depends upon:
If the difference between the rank of the 4 observations are 2.5, 0.5, -1.5, -1.5, then Spearman's rank correlation coefficient equals to:
Which option is WRONG?
For the random variable X with probability density function f(x) = (x−3)2 /5; x = 3, 4, 5, the variance of X is:
For a group of 100 students, the mean and standard deviation of scores were found to be 30 and 5 respectively. Later on it was discovered that the scor...
The problem of statistics is given in two sections of same standard. The odds against for section X to solve the problem are 4:3 and odds in favor to s...
