SSC CGL Tier 2 28th January 2022 Statistics

Instructions

For the following questions answer them individually

Question 61

The regression coefficient is independent of:
(I) Origin
(II) Scale

Video Solution

Question 62

For the data on early earning of employees in a company, the raw moments about some arbitrary poim A = 12 is given by $$\mu_{1} = -3, \mu_{1} =94, \mu_{3} = 546, \mu_{3} = 2200$$. The moment $$\mu_{3}$$ about actual mean 94 is:

Video Solution

Question 63

The difference between kurtosis and excess kurtosis is:

Video Solution

Question 64

Let X and Y be two jointly continuous random variables with joint pdf $$f_{xy}\left(x,y\right) = Cx^{2}y;0 \leq y \leq x \leq 1$$. The value of constant C is:

Video Solution

Question 65

Let X and Y be independent random variables that denote the number of virus 1 and virus 2, respectively, in one room, follow Poisson distribution with parameter $$\lambda_{1} = 1 $$ and $$\lambda_{2} = 2 $$ respectively. The expected number of viruses in the room is:

Video Solution

Question 66

Which of the following is NOT a nominal data?

Video Solution

Question 67

The skewness of geometric variates with $$\rho = 0.75$$ is:

Video Solution

Question 68

For qualitative sampling, which method among the following is generally used?

Video Solution

Question 69

In ANOVA, the value of statistic F lies in the range:

Video Solution

Question 70

The power of a test can be improved by:

Video Solution

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SSC CGL Tier 2 28th January 2022 Statistics

SSC CGL Tier 2 28th January 2022 Statistics

The regression coefficient is independent of: (I) Origin (II) Scale

For the data on early earning of employees in a company, the raw moments about some arbitrary poim A = 12 is given by $$\mu_{1} = -3, \mu_{1} =94, \mu_{3} = 546, \mu_{3} = 2200$$. The moment $$\mu_{3}$$ about actual mean 94 is:

The difference between kurtosis and excess kurtosis is:

Let X and Y be two jointly continuous random variables with joint pdf $$f_{xy}\left(x,y\right) = Cx^{2}y;0 \leq y \leq x \leq 1$$. The value of constant C is:

Let X and Y be independent random variables that denote the number of virus 1 and virus 2, respectively, in one room, follow Poisson distribution with parameter $$\lambda_{1} = 1 $$ and $$\lambda_{2} = 2 $$ respectively. The expected number of viruses in the room is:

Which of the following is NOT a nominal data?

The skewness of geometric variates with $$\rho = 0.75$$ is:

For qualitative sampling, which method among the following is generally used?

In ANOVA, the value of statistic F lies in the range:

The power of a test can be improved by:

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SSC Quant Questions | SSC Quantitative Ability

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The regression coefficient is independent of:
(I) Origin
(II) Scale