For the following questions answer them individually
If the median of the following distribution is 9.89, then the mode of the distribution is
The variance of the weights of the ten person whose weights (in kgs) are
45, 49, 55, 50, 41, 44, 60, 58, 53, 55 is
A data consists of 100 observations $$x_{1},x_{2},... x_{100}$$. If $$\sum_{i=1}^{100}(3x_{i}+17)^{2}=22500$$ and $$\sum_{i=1}^{100}(3x_{i}+17)= 900$$, then the standard deviation of $$x_{},x_{2},... , x_{100}$$ is
Which of the following two variables likely to have maximum positive correlation coefficient ?
If a fair die is thrown 3 times, the probability that the sum of the number turned up 14 is
If A and B are two mutually exclusive event of a sample space S such that AUB = S and P(B)= 2P (A) then P(A) =