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Page 1 Page 1 of 16 SUB: ECONOMICS CLASS - XI TIME: 3 HOURS M.M: 90 General Instructions: / ??????? ?? ? ??: 1. All questions in both the section are compulsory. ???? ?????? ?? ??? ?????? ??????? ???? 2. Marks allotted to each questions are indicated against it. ???????? ?????? ?? ???????? ??? ??? ? ????? ??? ?? ???? 3. Questions no- 1 to 4 and 15 are very short answer questions carrying 1 mark each. They are required to be answered in one sentence each. ?????? ?????? 1 ?? 4 ??? 15 ??? ?? ? ?????????? ?????? ??? ?????? ???????? ?? 1 ??? ???? ???? ????? ? ? ?? ?? ????? ??? ???????? ???? 4. Question no- 5 to 9 and 16 to 19 are short answer question carrying 3 marks each. Answer to them should not normally exceed 60 words each. ?????? ?????? 5 ?? 9 ??? 16 ?? 19 ?? ? ?????????? ?????? ??? ?????? ???????? ?? ??? ??? ??? ? ???????? ?? ????? ???????? : 60 ???? ?? ???? ?? ? ???? ????? ? 5. Question no.10 to 11 and 20 to 21 also short answer questions carrying 4 marks each. Answer to them should not normally exceed 70 words each. ?????? ?????? 10 ?? 11 ??? 20 ?? 21 ?? ?? ? ?????????? ?????? ??? ?????? ???????? ?? 4 ??? ??? ???????? ?? ????? ???????? : 70 ???? ?? ???? ?? ? ???? ?????? Page 2 Page 1 of 16 SUB: ECONOMICS CLASS - XI TIME: 3 HOURS M.M: 90 General Instructions: / ??????? ?? ? ??: 1. All questions in both the section are compulsory. ???? ?????? ?? ??? ?????? ??????? ???? 2. Marks allotted to each questions are indicated against it. ???????? ?????? ?? ???????? ??? ??? ? ????? ??? ?? ???? 3. Questions no- 1 to 4 and 15 are very short answer questions carrying 1 mark each. They are required to be answered in one sentence each. ?????? ?????? 1 ?? 4 ??? 15 ??? ?? ? ?????????? ?????? ??? ?????? ???????? ?? 1 ??? ???? ???? ????? ? ? ?? ?? ????? ??? ???????? ???? 4. Question no- 5 to 9 and 16 to 19 are short answer question carrying 3 marks each. Answer to them should not normally exceed 60 words each. ?????? ?????? 5 ?? 9 ??? 16 ?? 19 ?? ? ?????????? ?????? ??? ?????? ???????? ?? ??? ??? ??? ? ???????? ?? ????? ???????? : 60 ???? ?? ???? ?? ? ???? ????? ? 5. Question no.10 to 11 and 20 to 21 also short answer questions carrying 4 marks each. Answer to them should not normally exceed 70 words each. ?????? ?????? 10 ?? 11 ??? 20 ?? 21 ?? ?? ? ?????????? ?????? ??? ?????? ???????? ?? 4 ??? ??? ???????? ?? ????? ???????? : 70 ???? ?? ???? ?? ? ???? ?????? Page 2 of 16 6. Question no. 12 to 14 and 22 to 25 are long answer questions carrying 6 marks each. Answer to them should not normally exceed 100 words each. ?????? ?????? 12 ?? 14 ??? 22 ?? 25 ? ?? ????? ? ?????? ??? ?????? ???????? ?? 6 ??? ??? ???????? ?? ????? ???????? : 100 ???? ?? ???? ?? ? ???? ????? ? 7. Answer should be brief and to the point and the above words limits should be adhered to as far as possible. ????? ????????? ??? ????????? ???? ????? ??? ??????? ? ?? ???? ?? ??????? ? ??? ???? ????? ? 8. There is no word limit for numerical questions. ?????????? ???????? ?? ??? ??? ???? ???? ?? ? ???? SECTION-A (???? -?) 1. Define statistics in singular sense. 1 ????? ??? ??? ????????? ?? ??????? ? ???? 2. What is meant by secondary data? 1 ???????? ????? ?? ???? ???????? ?? ? 3. Which measure of dispersion covers middle 50% of the items? 1 ??????? ?? ??? -?? ??? 50% ? ??? ??? ?? ????????? ?? ? 4. The arithmetic mean of a distribution is 24.6 and the median is 30.5 calculate the probable value of mode. 1 ?? ??? ?? ?? ?????? ????? 24.6 ??? ??????? ?? 30.5 ??? ?? ? ?? ?? ??????? ? ??? ? ??? ????? ? 5. Explain the importance of statistics in economic planning. (Any 3 points) 3 ????? ?????? ??? ????????? ?? ????? ? ??? ??????? ?? ???????? ?????? Page 3 Page 1 of 16 SUB: ECONOMICS CLASS - XI TIME: 3 HOURS M.M: 90 General Instructions: / ??????? ?? ? ??: 1. All questions in both the section are compulsory. ???? ?????? ?? ??? ?????? ??????? ???? 2. Marks allotted to each questions are indicated against it. ???????? ?????? ?? ???????? ??? ??? ? ????? ??? ?? ???? 3. Questions no- 1 to 4 and 15 are very short answer questions carrying 1 mark each. They are required to be answered in one sentence each. ?????? ?????? 1 ?? 4 ??? 15 ??? ?? ? ?????????? ?????? ??? ?????? ???????? ?? 1 ??? ???? ???? ????? ? ? ?? ?? ????? ??? ???????? ???? 4. Question no- 5 to 9 and 16 to 19 are short answer question carrying 3 marks each. Answer to them should not normally exceed 60 words each. ?????? ?????? 5 ?? 9 ??? 16 ?? 19 ?? ? ?????????? ?????? ??? ?????? ???????? ?? ??? ??? ??? ? ???????? ?? ????? ???????? : 60 ???? ?? ???? ?? ? ???? ????? ? 5. Question no.10 to 11 and 20 to 21 also short answer questions carrying 4 marks each. Answer to them should not normally exceed 70 words each. ?????? ?????? 10 ?? 11 ??? 20 ?? 21 ?? ?? ? ?????????? ?????? ??? ?????? ???????? ?? 4 ??? ??? ???????? ?? ????? ???????? : 70 ???? ?? ???? ?? ? ???? ?????? Page 2 of 16 6. Question no. 12 to 14 and 22 to 25 are long answer questions carrying 6 marks each. Answer to them should not normally exceed 100 words each. ?????? ?????? 12 ?? 14 ??? 22 ?? 25 ? ?? ????? ? ?????? ??? ?????? ???????? ?? 6 ??? ??? ???????? ?? ????? ???????? : 100 ???? ?? ???? ?? ? ???? ????? ? 7. Answer should be brief and to the point and the above words limits should be adhered to as far as possible. ????? ????????? ??? ????????? ???? ????? ??? ??????? ? ?? ???? ?? ??????? ? ??? ???? ????? ? 8. There is no word limit for numerical questions. ?????????? ???????? ?? ??? ??? ???? ???? ?? ? ???? SECTION-A (???? -?) 1. Define statistics in singular sense. 1 ????? ??? ??? ????????? ?? ??????? ? ???? 2. What is meant by secondary data? 1 ???????? ????? ?? ???? ???????? ?? ? 3. Which measure of dispersion covers middle 50% of the items? 1 ??????? ?? ??? -?? ??? 50% ? ??? ??? ?? ????????? ?? ? 4. The arithmetic mean of a distribution is 24.6 and the median is 30.5 calculate the probable value of mode. 1 ?? ??? ?? ?? ?????? ????? 24.6 ??? ??????? ?? 30.5 ??? ?? ? ?? ?? ??????? ? ??? ? ??? ????? ? 5. Explain the importance of statistics in economic planning. (Any 3 points) 3 ????? ?????? ??? ????????? ?? ????? ? ??? ??????? ?? ???????? ?????? Page 3 of 16 6. Distinguish between sample method and census method of collecting data. 3 ?????? ?? ????? ?? ?????? (???????? ) ???? ??? ?????? ???? ??? ???? ?????? ?????? 7. Calculate mode from the following data. 3 ?????????? ?????? ?? ?? ? ?? ??? ????? : 8. What is statistical series? What is the difference between discrete series and continuous series? 3 ?????????? ?? ? ?? ?? ?? ???? ??? ??? ????? ?? ? ?? ?? ??? ?????? ?? ? ?? ?? ??? ???? ???? ???? OR (???? ) Distinguish between classification and tabulation of data. ?????? ?? ?????? ??? ??????? ??? ???? ?????? ????? ? 9. Define mean deviation. Mention any two characteristics of mean deviation. 3 ????? ????? ?? ??????? ? ??? ? ????? ????? ?? ????? ? ?? ????????? ?? ?????? ????? ? 10. Calculate median with help of following data: ?????????? ?????? ?? ?????? ?? ???????? ??? ?????? Marks (??? ): 0-5 5-10 10-15 15-20 20-25 25-30 No. of Students: (???????????? ?? ?????? ): 6 10 20 12 8 4 X: 1-5 6-10 11-15 16-20 21-25 Page 4 Page 1 of 16 SUB: ECONOMICS CLASS - XI TIME: 3 HOURS M.M: 90 General Instructions: / ??????? ?? ? ??: 1. All questions in both the section are compulsory. ???? ?????? ?? ??? ?????? ??????? ???? 2. Marks allotted to each questions are indicated against it. ???????? ?????? ?? ???????? ??? ??? ? ????? ??? ?? ???? 3. Questions no- 1 to 4 and 15 are very short answer questions carrying 1 mark each. They are required to be answered in one sentence each. ?????? ?????? 1 ?? 4 ??? 15 ??? ?? ? ?????????? ?????? ??? ?????? ???????? ?? 1 ??? ???? ???? ????? ? ? ?? ?? ????? ??? ???????? ???? 4. Question no- 5 to 9 and 16 to 19 are short answer question carrying 3 marks each. Answer to them should not normally exceed 60 words each. ?????? ?????? 5 ?? 9 ??? 16 ?? 19 ?? ? ?????????? ?????? ??? ?????? ???????? ?? ??? ??? ??? ? ???????? ?? ????? ???????? : 60 ???? ?? ???? ?? ? ???? ????? ? 5. Question no.10 to 11 and 20 to 21 also short answer questions carrying 4 marks each. Answer to them should not normally exceed 70 words each. ?????? ?????? 10 ?? 11 ??? 20 ?? 21 ?? ?? ? ?????????? ?????? ??? ?????? ???????? ?? 4 ??? ??? ???????? ?? ????? ???????? : 70 ???? ?? ???? ?? ? ???? ?????? Page 2 of 16 6. Question no. 12 to 14 and 22 to 25 are long answer questions carrying 6 marks each. Answer to them should not normally exceed 100 words each. ?????? ?????? 12 ?? 14 ??? 22 ?? 25 ? ?? ????? ? ?????? ??? ?????? ???????? ?? 6 ??? ??? ???????? ?? ????? ???????? : 100 ???? ?? ???? ?? ? ???? ????? ? 7. Answer should be brief and to the point and the above words limits should be adhered to as far as possible. ????? ????????? ??? ????????? ???? ????? ??? ??????? ? ?? ???? ?? ??????? ? ??? ???? ????? ? 8. There is no word limit for numerical questions. ?????????? ???????? ?? ??? ??? ???? ???? ?? ? ???? SECTION-A (???? -?) 1. Define statistics in singular sense. 1 ????? ??? ??? ????????? ?? ??????? ? ???? 2. What is meant by secondary data? 1 ???????? ????? ?? ???? ???????? ?? ? 3. Which measure of dispersion covers middle 50% of the items? 1 ??????? ?? ??? -?? ??? 50% ? ??? ??? ?? ????????? ?? ? 4. The arithmetic mean of a distribution is 24.6 and the median is 30.5 calculate the probable value of mode. 1 ?? ??? ?? ?? ?????? ????? 24.6 ??? ??????? ?? 30.5 ??? ?? ? ?? ?? ??????? ? ??? ? ??? ????? ? 5. Explain the importance of statistics in economic planning. (Any 3 points) 3 ????? ?????? ??? ????????? ?? ????? ? ??? ??????? ?? ???????? ?????? Page 3 of 16 6. Distinguish between sample method and census method of collecting data. 3 ?????? ?? ????? ?? ?????? (???????? ) ???? ??? ?????? ???? ??? ???? ?????? ?????? 7. Calculate mode from the following data. 3 ?????????? ?????? ?? ?? ? ?? ??? ????? : 8. What is statistical series? What is the difference between discrete series and continuous series? 3 ?????????? ?? ? ?? ?? ?? ???? ??? ??? ????? ?? ? ?? ?? ??? ?????? ?? ? ?? ?? ??? ???? ???? ???? OR (???? ) Distinguish between classification and tabulation of data. ?????? ?? ?????? ??? ??????? ??? ???? ?????? ????? ? 9. Define mean deviation. Mention any two characteristics of mean deviation. 3 ????? ????? ?? ??????? ? ??? ? ????? ????? ?? ????? ? ?? ????????? ?? ?????? ????? ? 10. Calculate median with help of following data: ?????????? ?????? ?? ?????? ?? ???????? ??? ?????? Marks (??? ): 0-5 5-10 10-15 15-20 20-25 25-30 No. of Students: (???????????? ?? ?????? ): 6 10 20 12 8 4 X: 1-5 6-10 11-15 16-20 21-25 Page 4 of 16 OR (???? ) 4 Find out arithmetic mean by step deviation method from data given below: ???? ??? ?? ?????? ?? ??????? ???? ?????? ?????? ????? ??????? : 11. Construct sub-divided bar diagram on the basis of following data: 4 ?????????? ?????? ?? ???? ?? ????????? ???? ????? ?????? Production in tons (?? ??? ??????? ) Year-(??? ) wheat (??? ? ?) cotton (???? ) rice (???? ) 2006 13 10 7 2007 15 12 8 2008 20 22 10 12.Define standard deviation .Calculate standard deviation from the following data: 6 ?????? ????? ?? ???????? ????? ? ?????????? ?????? ?? ?????? ????? ??? ????? : F: 6 9 15 11 9 X: 10 20 30 40 50 60 70 80 F: 2 5 9 10 12 7 3 2 X: 0-2 2-4 4-6 6-8 8-10 10-12 F: 2 4 6 4 2 6 Page 5 Page 1 of 16 SUB: ECONOMICS CLASS - XI TIME: 3 HOURS M.M: 90 General Instructions: / ??????? ?? ? ??: 1. All questions in both the section are compulsory. ???? ?????? ?? ??? ?????? ??????? ???? 2. Marks allotted to each questions are indicated against it. ???????? ?????? ?? ???????? ??? ??? ? ????? ??? ?? ???? 3. Questions no- 1 to 4 and 15 are very short answer questions carrying 1 mark each. They are required to be answered in one sentence each. ?????? ?????? 1 ?? 4 ??? 15 ??? ?? ? ?????????? ?????? ??? ?????? ???????? ?? 1 ??? ???? ???? ????? ? ? ?? ?? ????? ??? ???????? ???? 4. Question no- 5 to 9 and 16 to 19 are short answer question carrying 3 marks each. Answer to them should not normally exceed 60 words each. ?????? ?????? 5 ?? 9 ??? 16 ?? 19 ?? ? ?????????? ?????? ??? ?????? ???????? ?? ??? ??? ??? ? ???????? ?? ????? ???????? : 60 ???? ?? ???? ?? ? ???? ????? ? 5. Question no.10 to 11 and 20 to 21 also short answer questions carrying 4 marks each. Answer to them should not normally exceed 70 words each. ?????? ?????? 10 ?? 11 ??? 20 ?? 21 ?? ?? ? ?????????? ?????? ??? ?????? ???????? ?? 4 ??? ??? ???????? ?? ????? ???????? : 70 ???? ?? ???? ?? ? ???? ?????? Page 2 of 16 6. Question no. 12 to 14 and 22 to 25 are long answer questions carrying 6 marks each. Answer to them should not normally exceed 100 words each. ?????? ?????? 12 ?? 14 ??? 22 ?? 25 ? ?? ????? ? ?????? ??? ?????? ???????? ?? 6 ??? ??? ???????? ?? ????? ???????? : 100 ???? ?? ???? ?? ? ???? ????? ? 7. Answer should be brief and to the point and the above words limits should be adhered to as far as possible. ????? ????????? ??? ????????? ???? ????? ??? ??????? ? ?? ???? ?? ??????? ? ??? ???? ????? ? 8. There is no word limit for numerical questions. ?????????? ???????? ?? ??? ??? ???? ???? ?? ? ???? SECTION-A (???? -?) 1. Define statistics in singular sense. 1 ????? ??? ??? ????????? ?? ??????? ? ???? 2. What is meant by secondary data? 1 ???????? ????? ?? ???? ???????? ?? ? 3. Which measure of dispersion covers middle 50% of the items? 1 ??????? ?? ??? -?? ??? 50% ? ??? ??? ?? ????????? ?? ? 4. The arithmetic mean of a distribution is 24.6 and the median is 30.5 calculate the probable value of mode. 1 ?? ??? ?? ?? ?????? ????? 24.6 ??? ??????? ?? 30.5 ??? ?? ? ?? ?? ??????? ? ??? ? ??? ????? ? 5. Explain the importance of statistics in economic planning. (Any 3 points) 3 ????? ?????? ??? ????????? ?? ????? ? ??? ??????? ?? ???????? ?????? Page 3 of 16 6. Distinguish between sample method and census method of collecting data. 3 ?????? ?? ????? ?? ?????? (???????? ) ???? ??? ?????? ???? ??? ???? ?????? ?????? 7. Calculate mode from the following data. 3 ?????????? ?????? ?? ?? ? ?? ??? ????? : 8. What is statistical series? What is the difference between discrete series and continuous series? 3 ?????????? ?? ? ?? ?? ?? ???? ??? ??? ????? ?? ? ?? ?? ??? ?????? ?? ? ?? ?? ??? ???? ???? ???? OR (???? ) Distinguish between classification and tabulation of data. ?????? ?? ?????? ??? ??????? ??? ???? ?????? ????? ? 9. Define mean deviation. Mention any two characteristics of mean deviation. 3 ????? ????? ?? ??????? ? ??? ? ????? ????? ?? ????? ? ?? ????????? ?? ?????? ????? ? 10. Calculate median with help of following data: ?????????? ?????? ?? ?????? ?? ???????? ??? ?????? Marks (??? ): 0-5 5-10 10-15 15-20 20-25 25-30 No. of Students: (???????????? ?? ?????? ): 6 10 20 12 8 4 X: 1-5 6-10 11-15 16-20 21-25 Page 4 of 16 OR (???? ) 4 Find out arithmetic mean by step deviation method from data given below: ???? ??? ?? ?????? ?? ??????? ???? ?????? ?????? ????? ??????? : 11. Construct sub-divided bar diagram on the basis of following data: 4 ?????????? ?????? ?? ???? ?? ????????? ???? ????? ?????? Production in tons (?? ??? ??????? ) Year-(??? ) wheat (??? ? ?) cotton (???? ) rice (???? ) 2006 13 10 7 2007 15 12 8 2008 20 22 10 12.Define standard deviation .Calculate standard deviation from the following data: 6 ?????? ????? ?? ???????? ????? ? ?????????? ?????? ?? ?????? ????? ??? ????? : F: 6 9 15 11 9 X: 10 20 30 40 50 60 70 80 F: 2 5 9 10 12 7 3 2 X: 0-2 2-4 4-6 6-8 8-10 10-12 F: 2 4 6 4 2 6 Page 5 of 16 13. a) What is Ogive or cumulative frequency curve? 6 b) Draw more than Ogive for the following frequency distribution: a) ???? ?? ????? ?? ??? ???? ???? ??? b) ?????????? ?? ??? ????? ?? ??? ‘?? ???? ’ ???? ?????? Marks (??? ): 0-10 10-20 20-30 30-40 40-50 50-60 No.of students (???????????? ?? ?????? ): 6 11 20 12 6 5 OR (???? ) a) What is pie diagram? ? ?? ????? ???? ???? ???? b) Draw a pie diagram from the following data. ?????????? ?????? ?? ? ?? ????? ?????? ??????? Items of expenditure / ???? ?? ??? Expenditure in rupees / ???? ????? ??? Food (???? ) 40 Clothing (?????? ) 20 Housing (???? ) 50 Fuel (???? ) 70 Others (???? ) 20 14. Calculate inter quartile range from the following data: 6 ?????????? ?????? ?? ???? ?? ??? ? ??????? ??? ????? :Read More
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