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14312 B.Com. IlIrd Semester (NEP) Examination, 2024 APPLIED ECONOMICS (Statistical Methods) Time : 2 Hours | [ MM. : 75 Note :— Attempt Four questions in all. One question out of two questions (15 marks each) is to be attempted from Section ‘A’. Remaining three questions (each carrying 20 marks) are to be attempted out of eight questions given in Section ‘B’. We :— ae an we S swt cf) avs ‘a’ & a ye 7 @ Ue ye (veda 15 an) aiful ave ‘aq’ # as wedi 4a we ds wea (sels 20 sin) fea wa é1 Section—A (@vs-31) [15x 1l=15] Note :- Attempt any one question. we :— fed we wea a sw dfs 14312/8 a S| K-1184 Turn Over nereasingly important role in 1. “Statistics plays an i * Discuss this statement . i - ’ modern business organisations. and explain the scope of statiscics. sryfrn creates tira # wifieret sat & weap HPA fon ca 1 Fa wer St oe sifere aR wiferHt F aA at fadaa atts Or (3taal) 2. What do you understand by census and sampling investigation ? Discuss the important methods of random sampling. sot ug Feet aq B a sar TAG & 2? ta rea at necro fafeat et caret aif | ” Section-B (@US—a) [20x3=60] Note -— Attempt any three questions. ate :— feet da vet @ set cif 3. From the data given below find out coefficient of quartile deviation : 43, 48, 26, 35, 61, 19, 45, 57, 52, 70, 68, 55, 22, 30, 65. frafafad wat 8 age fraser yo et vert athe : 43, 48, 26, 35, 61, 19, 45, 57, 52, 70, 68, 55, 22, 30, 65. 14312 / 8 (2) 1184 5. (a) Discuss the objectives of classification of data. wat & oie # svat wt aren aif (b) Explain the law of statistical regularity. Titers frafian & fag wt caret aif 6. Find Karl Pearsons coefficient of correlation from the data given below : Marks in Maths Marks in Statistics 45 48 64 62 52 62 60 begs 71 RY 60 - 72 69. 68 78. 14312 / 8 (4) K-1184 fra Baal A aie frat h weary WH et oT eter: —__ agers aifora Wt ate Tiftarnt TH ate 45 48 64 62 52 62 60 71 57 60 72 69 68 78 7. Given the following information obtain the output when the rainfall is 32 inches. Rainfall (Inches) | Production (Per Acre) Mean 30 40 S.D. 4 6 The coefficient of correlation between rainfall and production is 0.8. 14312/8 (5) K—-1184 Turn Over fra afer A staid sie ara aifae oe eerie at den 10 3 15 6 20 8 ~ 10 30 7 40 6 (b) Discuss the sources of secondary data. fades Beat A aidt wt sat wife 10. Write short notes on any two of the following : (a) Tests of skewness (b) Different types of series () Concept and objectives of dispersion 14312 / 8 (7) K=1184 Mun Over 
