Kerala PSC Previous Years Question Paper & Answer
Page:3
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Statistician' And exam conducted in the year 2023. And Question paper code was '021/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
C:-5/6
D:-19/24
Correct Answer:- Option-D
Question11:-If an unbiased estimator and a sufficient statistic exist for T, then the
minimum variance estimator for T is always a function of
A:-Unbiased estimator
B:-Sufficient Statistic
C:-Sum of both
D:-Difference of both
Correct Answer:- Option-B
Question12:-If 7, 22,..., مت are independent observations from a normal population
such that Es) = wand V (=) = ० , forl!=1, 2,...,n. Then is a least
square estimate of «2.
۔ "2 At
وم
ಗ್ರ; ಯ
ಸಾಬ
२" 5 1
0پ 9ت ےم
Correct Answer:- Option-D
Question13:-lf 7, is a sequence of estimates such that E(7.) 6 and Var(r. ) + 0 5
n — o, then 7, is
A:-a constant
B:-1
C:-a function of 8
D:-0
Correct Answer:-Question Cancelled
Question14:-An estimator is said to be sufficient statistic for a parametric function
T(8) if it contain all the information that is in the
A:-Unbiased estimator
B:-Sample
C:-Population
D:-Universe
Correct Answer:- Option-B
Question15:- do not always exist.
A:-Unbiased estimator