SSC CGL 2018 Tier-II JSO (Statistics) Previous Year Paper (14-Sep-2019)

Question 1

The prices (in Rs) of different yarns (per kg) in two consecutive years are as follows. Commodity Silk  Cotton  Jute  Rayon  Price(in 2016) 600  700 400 300 Price (in 2017) 700  600 480 270By simple aggregative method, the net price changes in % is:

Accepted Answer

net increase of 2.5% in price.

Answer

net increase of 2% in price.

Answer

net decrease of 2% in price.

Answer

net decrease of 2.5% in price.

Question 2

The average working hours per month of the staff aged over 50 years in 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 number of the staff aged over 50 to that the staff aged under 50 is:

Accepted Answer

1 &ratio; 4

Answer

1 &ratio; 3

Answer

2 &ratio; 1

Answer

3 &ratio; 1

Question 3

The 4 th decile for the given data is: x f 0 1 1 9 2 26 3 59 4 72 5 52 6 29 7 7 8 1

Accepted Answer

4

Answer

7

Answer

3

Answer

5

Question 4

The Mean deviation about Median for the given data.52, 56, 66, 70, 75, 80, 82 is:

Accepted Answer

9

Answer

7

Answer

3

Answer

6

Question 5

For a random variable x, the central moments ( $\mu $i ) of all order exist. The square of (2j + 1) th moment ( $\mu^2_2{_j}{_+}{_1}$ ) is

Accepted Answer

Less than or equal to $\mu_2{_j}\mu_2{_j}{_+}{_2}$

Answer

More than $\mu_2{_j}\mu_2{_j}{_+}{_2}$

Answer

More than or equal to $\mu_2{_j}\mu_2{_j}{_+}{_2}$

Answer

Less than $\mu_2{_j}\mu_2{_j}{_+}{_2}$

SSC CGL 2018 Tier-II JSO (Statistics) Previous Year Paper (14-Sep-2019)

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Commodity	Silk	Cotton	Jute	Rayon
Price(in 2016)	600	700	400	300
Price (in 2017)	700	600	480	270