I am taking part in the Staff Selection Commission exam and I want the papers of Staff Selection Commission so please can you give me the paper and tell me from where can I download the papers?

Don’t worry I will get the Staff Selection Commission, CGL Statistical Investigator exam paper, so that it would be easy for you to prepare hard.

Here is the exam paper

For determination of mode and median graphically, one considers:
Options:
1) Bar diagram and Ogive
2) Bar diagram and Line diagram
3) Histogram and Line diagram
4) Histogram and Ogive

In the construction of cost of living index, commodities are selected by :
Options:
1) simple random sampling
2) stratified random sampling
3) systematic sampling
4) judgement/ purposive sampling.

If x and y are uncorrelated variables then this implies :
1) the absence of any linear relationship between them
2) the absence of any quadratic relationship between them
3) the absence of any logarithmic relationship between them
4) the absence of any trigonometric relationship between them

In simple random sampling of n units from a population of N units the quantity [1 * (n/N)] is called the
Options:
1) sampling fraction
2) expansion factor
3) finite population correction factor
4) degrees of freedom

The coefficient of range of the weights of 10 students from the following data:
41,20,15,65,73,84,53,35,71,55 is
Options:
1) 1.433
2) 0.696
3) 0.675
4)

If a population consists of 10 units and SRSWOR is adopted, the probability of selecting a specified sample of 2 units is :
Options:
1) 1/10
2) 1/45
3) 1/90
4) 1/100

Suppose a person would earn Rs. 10,000 in base period. Suppose the cost of living index increases by 20over base period. Then the employers of that person increase his salary by Rs. 1500. Which of the following option is TRUE?
Options:
1) He is just able to maintain the same standard of living as in base period.
2) He should claim Rs 500/* as Dearness Allowance.
3) He can improve his standard of living as compared to base period.
4) He should claim Rs 2,000 as Dearness Allowance.

The correlation coefficient between two variables X and Y is 0.4. The correlation coefficient between 2X and (*Y) will be :
Options:
1) 0.4
2) *0.8
3) *0.4
4) 0.8

Trace out the WRONG option from the following: (CLI= Cost of living index numbers)
Options:
1) If group indices increase k times, so also CLI does.
2) CLI remains unchanged if all the group indices increase by a constant amount.
3) CLI helps determining Purchasing Power of Money.
4) Dearness Allowance is fixed by considering CLI.

When the collected data is grouped with reference to time, we have
Options:
1) Quantitative classification
2) Qualitative classification
3) Geographical classification
4) Chronological classifications

Which type of sampling is one where only the first sample unit is selected at random and the remaining units are automatically selected in a definite sequence at equal spacing from one another. It is :
Options:
1) Multi stage sampling
2) Quota sampling
3) Systematic sampling
4) Area sampling

A random sample of size n is drawn from a population of size N by SRSWOR method. Then the standard error of sample mean will be zero if n is
Options:
1) N * 1
2) N
3) tending to infinity
4) none of the options