Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'STATISTICAL ASSISTANT GR II -ECONOMICS AND STATISTICS' And exam conducted in the year 2015. And Question paper code was '011/2015/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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D:-Any number greater than zero
Correct Answer:- Option-C
Question9 5:Let X be a random variable for which E(X) exists and A is any real number. Then EPA] is minimum if:
D:-None of these
Correct Answer:- Option-B
Question96"The joint distribution function of (X,Y) is given by F(x,y)
Av Exp(1)
B:-Exp(2)
C+Gamma(2)
D:-None of these
Correct Answer:- Option-A
Question9 7=The function f(s)=x7 , x € & is:
AvIncreasing
B:-Decreasing
(Le )(LeY رز x>0,y>0. The marginal distribution function of ¥ is:
C:Neither increasing nor decreasing
D:-Constant
Correct Answer:- Option-C
her
[1
5
ष.
3
ए.
Correct Answer:- Option-D
Question99-Let x1,19 ,.,t ben discrete values with corresponding frequencies f.,/2 டி, கிஸ் 16 சட, .ہو be the corresponding greater than cumulative frequencies. Then
Ava"! quartile
B:-Median
ए
एधः
Correct Answer:- Option-D
Question! 00:-According to Prof. Sturge's rule, the relation between the number of classes (k) and total number of observations in the data (N) is:
+3.322log i N
+2 وہ333 घर.
2.333, ೫
+3.223I0g, N
Correct Answer:- Option-A
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