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6of 8

20.5
Correct Answer:- Option-C
Question63+1£Z is a standard normal variate, the propartion of items lying between z=-0.5 and 2=-3.0 is
704987
೫:-0.1915
೦:೨.3072
0-8
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Question64: Factorization theorem for sufficiency is known ‏عه‎
‎‘AxRao-Blackwell theorem
B:-Cramer-Rao theorem
C:-Chapman-Robins theorem
D:-Fisher-Neyman theorem
Correct Answer:- Option-D
Question65+1f the expected value of an estimator is not equal to its parametric function (©) , it is said ‏ما‎ be a
Avunbiased estimator
B:biased estimator

Cconsistent estimator
D:-none of the above.
Correct Answer:- Option B
Question66:-An estimator 7, of 0 s said to be more efficient than any other estimator 7~ _(n) of if and only if
[7 ൭)
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‏اکر ہت‎

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Correct Answer:- Option-D

s the sample variance, then s is an unbiased estimate of

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Correct Answer:- Option-D
Question68:The sample median is estimate for the mean of normal population.
കിട
‏۴ا علعدہہ -؛ظ‎
Crumbiased and consistent
D:none of the above.
Correct Answer:- Option-C
Question69:1f a sufficient estimator exists it is a function of the estimator.
Acmoment estimator

Beminimum chisquare estimator
Comaximum likelihood estimator
D:none of the above
Correct Answer:- OptionC
Question70:The credit of inventing the method of moments for estimating the parameter goes ‏ما‎
‎AcR. A Fisher
एना. Neyman
CrLaplace
D:Karl Pearson
Correct Answer:- Option-D
Question? 1:-Cramer-Rao inequality with regard to the variance of an estimator provides
Acupper bound on the variance
Belower bound on the variance
Crasymptotic variance of an estimator

D:none of the above
Correct Answer:- Option B
wisa random sample from a population N(0,5” ), the sufficient statistic for o is

D:none of the above
Correct Answer:- Option-B
Question73+Estimate and Estimator are
Acsynonyms
Burelated to population
Cudifferent
D:none of the above
Correct Answer:- Option-C
Question74:The idea of testing of hypothesis was first set forth by
ಟಟ गा
B:JNeyman
CrELLehman
84
Correct Answer:- Option-B
Question75:A wrong decision about Hy leads to
Avone kind of error
‏؛ظ‎ ×۷0 kinds of errors
Cuthree kinds of errors
D:-four kinds of errors
Correct Answer:- Option-B
Question76+In terms of type Il error # and 4 , the true parameter, the function 1-4@) is called

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05/25/2015 03:06 11௪