SSC CGL Tier-2 14th September 2018 Statistics
For the following questions answer them individually
SSC CGL Tier-2 14th September 2018 Statistics - Question 1
The prices (in ₹) of different yarns (per kg) in two consecutive years are as follows.
By simple aggregative method, the net price changes in % is:
SSC CGL Tier-2 14th September 2018 Statistics - Question 2
The average working hours per month of the staff aged over 50 yearsin a factory were 160 and that of the staff aged under 50 years were 210. The mean working hour per month of all the staff was 200. The ratio of the numberofthe staff aged over50 to thatof the staff aged under 50 is:
SSC CGL Tier-2 14th September 2018 Statistics - Question 3
The $$4^{th}$$ decile for the given data is:
SSC CGL Tier-2 14th September 2018 Statistics - Question 4
The Mean deviation about Median forthe given data.
52, 56, 66, 70, 75, 80, 82 is:
SSC CGL Tier-2 14th September 2018 Statistics - Question 5
For a random variable x , the central moments $$(\mu_i)$$ of all order exist. The square of $$(2j + 1)^{th}$$ moment $$(\mu^2_{2j+1})$$ is always:
SSC CGL Tier-2 14th September 2018 Statistics - Question 6
The memory-less property is followed by which of the following continuous distribution:
SSC CGL Tier-2 14th September 2018 Statistics - Question 7
If the random sample of size n is drawn without replacement from finite population of size N , the correction factor for standard error of sample mean will be:
SSC CGL Tier-2 14th September 2018 Statistics - Question 8
The Excess Kurtosis of the Geometric distribution with parameter p is:
SSC CGL Tier-2 14th September 2018 Statistics - Question 9
Let $$\left\{X_i, i \geq 1\right\}$$ be independent and identically distributed random variables with  $$P(X_i = 1) = p = 1 - P(X_i = 0), S_n = \sum_{i=1}^n X_i$$. The distribution of $$S_n$$ is:
SSC CGL Tier-2 14th September 2018 Statistics - Question 10
Which one is parameter from population?
