160/2015

India’s first computer was installed at Indian Statistical Institute, Kolkata in the year :
(A) 1950 (1). 1988 (C) 1956 (D) 1938

Who is the founder of “Sankhya”, the Indian Journal of Statistics ?
(A) CR. Rao (B) R.C. Bose
(C) S.N.Roy (D) २.८. Mahalanobis

Which ministry co-ordinates the census activities in India ?
(A) Home Affairs (8) MoSPI (3) பம்‌ (D) Finance

Which of the following measures involve nominal scale ?
(3) The runs scored by a batsman (8) The rank of a student in a test
(C) The height of a tree (D) ट number on an automobile license plate

A random sample of 50 is picked without replacement from a population of 1000 adult
males. If the standard deviation of the distribution of their heights is known to be 3 inches,
then the standard error of the sample mean is :

2 7 55 7
^) ௯ க 0+1 (^) 007 യ) 5

Which of the following statements is true ?

(५) Sample survey 15 free of non - sampling errors

(ठ) Sampling error is present in both census and sample surveys
(ര) Non - sampling error is comparatively low in sample surveys
(D) Non - sampling error is comparatively low in census surveys

. 2:'
If a continuous random variable X has a pdf of the form f (स 0
then the median of X is :

داج

2 3
(^) ठ ® 3 © ‏کل‎ (D)

If X and Y are independent random variables with respective moment generating functions

[ട്‌ (0 1! ಸ! ಎಲ ) and ‏لبت تدز وإ‎ கலி! 46), then the possible values

of Z=X+Y are:
(ಹ) 0,1,2, ‏ر8‎ 2 (8) 85
(^) 0, 4 16, 36 0 0118

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