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Test Paper - Indian Statistical Services - Statistics II, Study notes of Statistics

Indian Statistical InstituteStatistics

Indian Statistical Institute,Statistics , Indian Statistical Services ,Statistics - 2, 2010 , Variance, Gauss Markoff theorem, variables, linear parametric function, pivotal method of constructing confidence, Bootstrap method of revising estimates, uncorrelated random variable, factorization theorem of sufficiency, variance model, annova table, statistics, probability function, Wishart distribution, 

Typology: Study notes

2010/2011

Uploaded on 09/22/2011

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2 documents

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Download Test Paper - Indian Statistical Services - Statistics II and more Study notes Statistics in PDF only on Docsity!

LL LES Jiss-0f -1382 C-JTT-J-TB STATISTICS — 11 Time Allowed : Three Hours Maximum Marks : 200 INSTRUCTIONS Candidates should attempt FIVE questions in ALL inciuding Questions No. I and 5 which are compulsory. The remaining THREE questions should be answered by choosing at least ONE question each from Section A and Section B. The number of marks carried by each question is indicated against each. Answers must be written only in ENGLISH. (Symbois and abbreviations are as usual.) Any essential data‘ assuried by candidates for answering questions must be clearly stated. SECTION A 1. Attempt any five sub-parts. {a) Let A be any n x m mate and K be any,m x m non-singular matrix andilet B = AK. Show that BB- = AAT where A™ denotes g-inverse of matrix A. & C-JTT-J-TB t [(Contd.]