Kerala PSC Previous Years Question Paper & Answer
Page:6
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Research Officer - Economics and Statistics ' And exam conducted in the year 2021. And Question paper code was '123/2021'. 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.
36. If رم and وم are not identical, then standard error of the difference of proportions
(0, - Py) is:
7 شتفم ௫ जिस
7] + و7
و71 71
(D) None of these
87. The hypothesis that the population variance has a specified value can be tested by :
(^) Chi-square test ൯) F-test
(C) t-test ൯) Allof the above
88. How will affect the power of a test if the size of the test is reduced?
(A) Increases (B) Decreases
)© Nochange ൯) Allof the above
39. The assumption for testing the equality of several population means by F-test is :
(A) Populations are correlated
(B) Population variances are heterogeneous
(C) Population variances are homogeneous
(2) All of these
40. For axb contingency table, the number of degrees of freedom equals :
(७) (a+) (0) (8) (041) 6-0)
(0 (a-1) 6-1 (D) 0-9
41. Match the following five year plan with their objectives :
0) ‘Third Five year Plan (a) Attainment of Self Reliance
Gi) Fourth Five Year Plan (b) Growth with Stability
(61) Fifth Five Year Plan (¢ Make ௨ self-reliant ஹும் self
generating Economy
(iv) Ninth Five Year Plan (प) Growth with social Justice and
Equality
൧ @-@); (0-0); ൩-൭; ൬-൭ (2) 0-9; (9-0) ; ൭; ൭-൭)
(© 0-6; ൭-൭; മഖ; (0-௫) 6) 0-0); ൭.൭; Gii)-(a); (0-9)
128/2021 8 A