Kerala PSC Previous Years Question Paper & Answer
Page:5
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.
Question21:-To test the hypothesis involving proportions, both np and nq should be
A:-greater than 5
B:-between 0 to 1
C:-less than 1
D:-greater than 50
Correct Answer:- Option-A
Question22:-Power of the test is the probability of
A:-acceptance
B:-correct decision
C:-minimum error
D:-maximum error
Correct Answer:- Option-B
Question23:-A critical region which is most powerful when a hypothesis is tested
against a series of alternatives is called
A:-Neymann CR
B:-BCR
C:-UMPCR
D:-Acceptance Region
Correct Answer:- Option-C
Question24:-Neyman-Pearson Lemma is used to find for testing simple 7
against a simple ™ .
A:-Error
B:-Best Critical region
C:-Power
D:-Significance level
Correct Answer:- Option-B
Question25:-Degrees of freedom for a chi square test of independence with
contingency table of order m x nis
A:-mn — 1
B:-n(m — 1)
C:-m(n — 1)
D:-(m — 1)(n — 1)
Correct Answer:- Option-D
Question26:-Kruskal Wallis test is a nonparametric analogue of
A:-t-test
B:-Z-test
C:-One-way ANOVA