BAL BHARATI PUBLIC SCHOOL, PITAMPURA, DELHI-110034 CLASS-XI, ECONOMICS

ANNUAL EXAM (2012-13) CODE B

Time: 3 hour MM: 95 Q1 What is geographical classification? 1

Q2 Is ‘population’ a discrete or a continuous variable? 1

Q3 Which method- census or sample would you prefer if you want to check the quality of rice. 1

Q4 The coefficient of variation is 60% and its variance is 144. Find its mean. 1

Q5 Statistics is defined as aggregate of numerical facts”. Give any two examples. 3

Q6 Calculate mode by using the grouping and analysis method. 3

Size 5 10 15 20 25 30 35 Frequency 1 2 10 4 10 9 2

Q7 Present the following data on production of food grains in the form of subdivided bar diagram. 3

Year Wheat Rice Gram Total 2003 30 20 10 60 2004 45 30 15 90

Q8 Can primary data become secondary data? Explain with the help of any two examples. 3

Q9 Draw a frequency polygon (with histogram) for the following data: 3

Marks 0-10 10-20 20-30 30-40 40-50 No. of students 8 18 15 22 14

Q10 Write short notes on the following: 4

a) Uses of consumer price index number b) Qualities of a good base year

Q11 Calculate the value of median and first quartile from the following data: 4

Marks Less than 10 Less than 20 Less than 30 Less than 40 Less than 50 No. of students 11 18 34 48 60

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Q12 Show inequality in wages in two different firms using Lorenz curve, given the following data: 6

Wages (Rs) 50-70 70-90 90-110 110-130 130-150 No. of workers A

20 15 20 25 20

No. of workers B

150 100 90 110 50

Q13 Calculate coefficient of rank correlation from the following data: 6

X 48 33 40 9 16 16 65 24 16 27 Y 13 13 24 6 15 4 20 9 6 19

Or

Calculate Karl Pearson’s coefficient of correlation by actual mean method:

Price(Rs) 10 12 14 16 18 Quantity(units) 20 29 21 22 28

Q14 (a) Construct price index numbers for the year 2011 by taking 2004 as the base year by using Laspeyre’s and Paasche’s method. 4

Commodity Price(2004) Quantity(2004) Price(2011) Quantity(2011) A 2 10 4 5 B 5 12 6 10 C 4 20 5 15 D 2 15 3 10

(b) If the salary of a person in the base year is Rs. 4000 per annum and current year salary is Rs.6000, by how much should his salary rise to maintain the same standard of living if the CPI of the current year is 400? 2

PART-B

Q15 Name any two modern industries which were in operation in India at the time of independence. 1

Q16 What do you mean by globalisation? 1

Q17 Give any two examples of ‘navaratanas’. 1

Q18 What are the two main sources of human capital in a country? 1

Q19 Give any two examples of social infrastructure. 1

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Q20 What are transmission and distribution losses? How can they be reduced? 3

Q21 Mention any three factors that led to the rapid growth in economic development in China. 3

Q22 Distinguish between human capital and human development. 3

Q23 State any three functions of environment. 3

Q24 “Development always implies some structural change in the economy though growth may occur without it”. Comment. 3

Q25 Compare and contrast the human development indicators of India, China and Pakistan. 4

Q26 The following table shows distribution of workforce in India for the year 2000-2001. Analyze it and give reasons for the nature of workforce distribution. 4

Workforce (in millions)

Place of residence Male Female Total Rural 125 69 195 Urban 32 7 39

Q27 Giving reasons defend or refute the following statements: 4

(a) The importance of organic farming as an environmentally sustainable production process is on a rise and needs to be promoted.

(b) Institutional sources of agricultural credit provide loans at high interest rates.

Q28 What is meant by economic reforms? Also explain the need for economic reforms in 1991. 6

Or

Q During the reforms in India, growth of agriculture and industry has gone down. Explain.

Q29 Critically evaluates the poverty alleviation programs adopted by the government. 6

Q30 Discuss the merits and demerits of subsidies in Indian agriculture. Do you agree with the continuation of subsidies? 6

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