SSC CGL Tier 2 28th January 2022 Statistics

Instructions

For the following questions answer them individually

SSC CGL Tier 2 28th January 2022 Statistics - Question 81


If X follows a Poisson distribution with parameter $$\lambda = 0.2$$, the fourth factorial moment of X is:

Video Solution

SSC CGL Tier 2 28th January 2022 Statistics - Question 82


For the joint density $$f_{xy}\left(xy\right) = x + \frac{3}{2}y^{2};0\leq x \leq 1,0 \leq y \leq 1$$, the value of $$P\left(0 \leq Y \leq \frac{1}{2}\mid 0 \leq X \leq \frac{1}{2}\right)$$ is:

Video Solution

SSC CGL Tier 2 28th January 2022 Statistics - Question 83


In the completely randomised design, the variance between columns depicts the difference between the ___ of each group and the ___

Video Solution

SSC CGL Tier 2 28th January 2022 Statistics - Question 84


For positive data series, the relative position of arithmetic, geometric and harmonic mean is:

Video Solution

SSC CGL Tier 2 28th January 2022 Statistics - Question 85


In a class of 50 students, 10 have failed and their average of marks is 2.5. The total of marks secured by the entire class is 285. find the average marks of those who have passed.

Video Solution

SSC CGL Tier 2 28th January 2022 Statistics - Question 86


Given that $$P\left(A\right) = 1/3, P\left(B\right) = 1/4, P\left(A\mid B\right) = 1/6$$, the probability $$ P\left(B\mid A\right)$$ is equal to:

Video Solution

SSC CGL Tier 2 28th January 2022 Statistics - Question 87


The number of class intervals in a frequency table does NOT depend on:

Video Solution

SSC CGL Tier 2 28th January 2022 Statistics - Question 88


If the Bowley's coefficient of skewness $$S_{q}$$ is positive, which of the following options is correct?

Video Solution

SSC CGL Tier 2 28th January 2022 Statistics - Question 89


The first four raw moments of distribution are 2, 136, 320 and 40.000. The coefficient of kurtosis is:

Video Solution

SSC CGL Tier 2 28th January 2022 Statistics - Question 90


Which of the following is NOT an advantage of tabulation?

Video Solution
cracku

Boost your Prep!

Download App