The value of k so that following is probability mass function
X: -2 -1 0 1 2 3
P(X=x):2k 3k 4k 3k 2k k
is
The correct answer is C
If Laspeyres price index of a commodity is 208 and Passche's price index of the same commodity is 52, the value of Fisher index number will be:
The Pearson's correlation coefficient between following observation
X: 1 2 ...
28 If r ₁₂ = +0.80, r13 = -0.40 and r23 = -0.56, then the square of multiple correlation coefficient (correct to four decimal places) R2...
If ten coins are tossed simultaneously, then the probability of getting at most I head is:
X and Y are independent normal variables with mean 50 and 80 respectively and standard deviation as 4 and 3 respectively. What is the distribution o...
For frequency distribution presentation , which option is wrong.
If the mean and variance of a binomial distribution are 5 and 4, respectively, then the value of n is:
If each observation in a data set for number of employees in different divisions is doubled then the coefficient of quartile deviation:
