For the following questions answer them individually
The Arithmetic Mean of the following data is
The median of the following frequency distribution is
In a frequency distribution the Arithmetic mean is 50 and the median is 52. Its mode is
If the Standard Deviation of n observations $$x_1, x_2, ....... x_n$$ is 17, then the Standrad Deviation of $$2x_1 - 15, 2x_2 - 15, ....., 2x_n - 15$$ is
The sum of 5 observations is 25 and the sum of their squares is 145, The standard deviation of these observations is
The rank correlation coefficient of the following data:
Out of 100 consecutive positive integers two are chosen at random. The probability that their sum is odd is
Three vertices out of six vertices of a regular hexagon are chosen at random. The probability that these verticesform an equilateral triangle is
The Probability of getting a total of 17 on a throw of 3 dices is
A bag contains 4 Green, 6 Black and 7 White balls. If one ball is drawn from the bag at random,the probability thatit is either ablack ora white ball is