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Pune University - FY BSc STATISTICS - I, April 2010

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Total No. of Questions : 5] [Total No. of Pages : 4 [3717] - 13 P191 F.Y. B.Sc. STATISTICS / STATISTICAL TECHNIQUES Descriptive Statistics (Paper - I) (New Course) Time : 3 Hours] Instructions to the candidates : 1) All questions are compulsory. 2) Figures to the right indicate full marks. 3) Use of statistical tables and calculator is allowed. 4) Symbols have their usual meanings. 5) Graph papers will be supplied on request. [Max. Marks : 80 Q1) Attempt the following : a) Choose correct alternative for the following : i) If Corr(X, Y) = 0.8, then Corr(X + 3, Y + 5) is 1) 0.16 2) 0.1 3) ii) [4 x 1 = 4] 0.8 4) 0.12 A measure of dispersion which is independent of measuring units is 1) Standard deviation 2) Coefficient of variation 3) Range 4) Mean deviation.. iii) In case of two attributes A and B, the class frequency (AB) in terms of other class frequencies can be expressed as 1) (AB) (A) 2) (AB) (B) 3) (A) (AB) 4) N (AB) iv) For a cultural programme, 4 students are selected from each class to work as volunteers. The sampling scheme used in this situation is 1) Stratified sampling 2) Systematic sampling 3) Cluster sampling 4) Two stage sampling. P.T.O.

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Additional Info : F.Y. B.Sc. STATISTICS / STATISTICAL TECHNIQUES : Descriptive Statistics (Paper - I) (New Course), Pune University
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