BACHELOR'S DEGREE PROGRAMME Term-End Examination June, 2010 ELECTIVE COURSE: COMMERCE ECO-7: ELEMENTS OF STATISTICS Time: 2 hours Maximum Marks: 50 Note : Attempt any four question. All question carry equal marks. (a) Fill in the blanks with the appropriate word given in the brackets: In construction of Index numbers __________mean is specially used. (weighted / unweighted) It take_____________ time to collect secondary data compared to primary data. (less / more) Use of_______________ is an appropriate method of data collection when the information is to be obtained at regular intervals over a wide area. (Interview / corespondents) Data array________________ provide any information regarding the range of data. (does / does not) It is not always necessary that the magnitude of different classes must be_____________ . (unequal / equal) Mode and Median_____________ are measures. (cal...
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