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Pune University - SY BSc (Sem - I) STATISTICS - II : Statistical Techn, April 2010

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Total No. of Questions : 4] P279 [Total No. of Pages : 3 [3717] - 122 S.Y. B.Sc. STATISTICS STT - 212 : Statistical Techniques - II (Semester - I) (Paper - II) (New Course) Time : 2 Hours] [Max. Marks : 40 Instructions to the candidates : 1) All questions are compulsory. 2) Figures to the right indicate full marks. 3) Use of calculator and statistical tables is allowed. 4) Symbols and abbreviations have their usual meaning. Q1) Attempt each of the following: a) Choose the correct alternative in each of the following: i) In sampling with proportions under SRSWOR, the standard error of estimator of population proportion is given by A) B) PQ n n PQ ( 1) n D) n 2 S n C) ii) [1 Each] S2 n In stratified random sampling with optimum allocation, the size of ith stratum sample is given by A) ni = n Wi Si B) ni = n Wi ni = n Wi Si2 D) ni = n C) Wi Si k Wi Si i =1 where Wi = i iii) In double sampling plan, the decision of accepting or rejecting a lot can not be taken based on first sample if number of defectives in the first sample (d1) is d1 c1 A) d1 > c2 B) C) D) c1 + 1 d1 c2 d1 > O P.T.O.

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Additional Info : S.Y. B.Sc. Statistics (Semister - I), STT - 212 : Statistical Techniques - II (Paper - II) (New Course), Pune University
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