Kerala PSC Previous Years Question Paper & Answer
Page:4
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.
B:-Sufficient Statistic
C:-Consistent estimator
D:-Efficient estimator
Correct Answer:- Option-A
Question16:-The graphical shape of t-distribution is based on
A:-sample size
B:-degrees of freedom
C:-population size
D:-error
Correct Answer:- Option-B
Question17:-The MLE of a parameter ಇ ೦ व population having density « — x),0
A:-2x
B:-x
C:-2/x
D:-x/2
Correct Answer:-Question Cancelled
Question18:-The method of moments were first invented by
A:-Neyman
B:-Karl Pearson
C:-Tchebyschev
D:-Fisher
Correct Answer:- Option-B
Question19:-Difference between expected value of an estimator and the
corresponding parameter is
A:-mean deviation
B:-MAPE
C:-MAE
D:-bias
Correct Answer:- Option-D
Question20:-The consistency of estimators is identified by comparing
A:-Variance
B:-Mean
C:-Standard error
D:-Median
Correct Answer:-Question Cancelled