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Excercises 1. Choose the right answer from the four alternatives given below: (i) A number or character which represents measurement is called (a) Digit (b) Data (c) Number (d) Character (ii) A single datum is a single measurement from the (a) Table (b) Frequency (c) Real world (d) Information (iii) In a tally mark grouping by four and crossing fifth is called (a) Four and Cross Method (b) Tally Marking Method (c) Frequency plotting Method (d) Inclusive Method (iv) An Ogive is a method in which (a) Simple frequency is measured (b) Cumulative frequency is measured (c) Simple frequency is plotted (d) Cumulative frequency is plotted (v) If both ends of a group are taken in frequency grouping, it is called (a) Exclusive Method (b) Inclusive Method (c) Marking Method (d) Statistical Method 2. Answer the following questions in about 30 words: (i) Differentiate between data and information. (ii) What do you mean by data processing? (iii) What is the advantage of foot note in a table? (iv) What do you mean by primary sources of data? (v) Enumerate five sources of secondary data. 3. Answer the following questions in about 125 words: 12 (i) Discuss the national and international agencies where from secondary data may be collected. (ii) What is the importance of an index number? Taking an example examine t the process of calculating an index number and show the changes. a Activity P y 1. In a class of 35 students of Geography, following marks were obtained out of p 10 marks in unit test – 1, 0, 2, 3, 4, 5, 6, 7, 2, 3, 4, 0, 2, 5, 8, 4, 5, 3, 6, 3, 2, 7, 6, r 5, 4, 3, 7, 8, 9, 7, 9, 4, 5, 4, 3. Represent the data in the form of a group frequency e G distribution. n 2. Collect the last test result of Geography of your class and represent the marks i in the form of a group frequency distribution. o W l i c r P Reprint 2026-27