Page:7

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 '005/2015/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.

page: 7 out of 8

Home Page

Azpower of the test

B:-power function

C+0C function

D:-none of the above

Correct Answer:- Option-B

Question?

۸32

B:-28.125

D:-none of the above

Correct Answer:- Option-C

Question’:

AvZtest

ட ட்]

ടട

D:-ttest

Correct Answer:- Option-D

Question79sTesting Ho: =1500 against <1500 leads to

Avone-sided lower tailed test

B--one-sided upper tailed test

Crtwo-tailed test

Dell the above

Correct Answer:- Option-A

Question80:"The mean difference between 9 paired observations is 15.0 and the standard deviation of differences is 5.0. The value of statistic t is

Correct Answer:- Option -B

Question 1+Range of statistic t is

கமகம

tow

Correct Answer: Option-B

Question 2--Given the following eight sample values -4, -3, -3, 0, 3,3, 4,4 the value of student's tstatiste to test Ho : ८ =

۸23

B:-0.97

0.3.30

01

Correct Answer:- Option-D

Question 3-In a contingency table, the expected frequencies are computed under

‘Aenull hypothesis fy

Bealternative hypothesis 11,

71

D:-no consideration of hypothesis

Correct Answer:- Option-A

(Question 4"The term regression was introduced by

ಟಟ

B:-Sir Francis Galton

C+Karl Pearson

D:-none of the above

Correct Answer:- Option-B

Questions:

if yy and yy are two regression coefficients they have

Avsame sign

B:-opposite sign

பணியிட same or opposite signs

D:-nothing can be said

Correct Answer:- Option-A

Question86:"The lines of regression intersect at the point

۸0

பயறு

5-6.۷

Correct Answer: Option-D

‘Question8 7:Ifa constant 50 is subtracted from each of the value of X and Y, the regression coefficient is

Avreduced by 50

bi thot the orignal regression cont

Crincreased by 50

De-not changed

Correct Answer:- Option-D

(Question 8-If pis the simple correlation coefficient, the quantity p” is known as

Axcoefficient of determination

B:-coefficient of non-determination

೦೦೦೦೫೩10೫೭ of alienation

D:-none of the above

Correct Answer:- Option-A

Question89:The range of simple correlation coefficient is

۸-0 0

Bee tox

೦:೦೫ 1

ए

Correct Answer:- Option-D

Question90:"The hypothesis for a specific known value of » can be tested by

Axttest

BeZtest

http://192.168.1.6/psc/modules/marklist/answer_sheet/pr.

population is distributed as N(, 1 ).0 A sariple.bf 576 items has a mean 4.7. The value of the statistic Z to test ॥ कह

sample of 12 specimen taken from a normal population is expected to have a mean 50 mg/cc. The sample has a mean 64 mg/cc with a variance of 25. To test Ho

०1:५५ 5

05/25/2015 03:06 PM

Similar Question Papers