INDIAN SCHOOL MUSCAT DEPARTMENT OF COMMERCE AND HUMANITIES Statistics for Economics Class : 11
Worksheet on Presentation of data
Date of issue --------------2017
Economics (030)
Reference: NCERT text book Date of submission ------------------2017
Answer in one sentence ( 1 mark) 1. What are the three forms of presentation of data? 2. What is statistical table? 3. Define frequency polygon. 4. What is a Histogram? 5. What is a pie diagram? 6. Name the three types of frequency diagrams. 7. What is a bar diagram? 8. Name the different types of bar diagrams. 9. What is an Ogive? 10. What is textual presentation of data? Answer in around 75 words ( 3 or 4 marks) 11. Describe the major parts of a statistical table. Draw a format of a table showing all these parts. 12. Distinguish between a bar diagram and histogram. 13. What do you mean by arithmetic line graph? Explain briefly. 14. Present the data in the form of a simple bar diagram: Year 1970 Production of wheat(million tones) 100 Answer in around 100 words (6 marks).
1980 210
1990 350
2000 500
15. Represent the following data with the help of multiple bar diagram: Year 1983 1984 1985 1986 73 80 85 80 Exports(crores of `) 70 72 75 85 Imports(crores of`) 16. Represent the following data by means of a component bar diagram: Year Males(in crores) Females(in crores) Total population ISM/SENIOR SECTION/ECONOMICS/CLASS 11 - 2017-2018
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1981 25 10 35 1991 30 20 50 2001 50 25 75 17. Present the following data on the production of food grains in the form Sub-divided bar diagram and (ii) Multiple bar diagram: Production Year Wheat Rice Gram Total 2003 30 20 10 60 2004 45 30 15 90 18. Represent the following data by means of a pie diagram: Items Labour Material Electricity Transportation Overhead 25 5 15 35 Costs(` 10 19. Present the following data in the form of histogram: Weekly Wages 10-15 15-20 20-25 25-30 30-40 40-60
of (i)
Total 90 6080 8
No. of workers 7 10 27 15 12 12 20. Draw a histogram and frequency polygon for the following data: Marks 5-9 10-14 15-19 20-24 25-29 30-34 No. of 4 17 25 32 16 6 Students 21. Draw a polygon using mid-values from the following table: Marks 0-10 10-20 20-30 30-40 40-50 50-60 No. of Students 5 12 15 22 14 4 22. On the basis of following frequency distribution, draw ‘less than’ cumulative frequency curve: Marks 0-5 5-10 10-15 15-20 20-25 25-30 No. of Students 4 6 10 25 10 5 23. Prepare both type of ogive (less than and more than) from the following data: Weight(in 30-34 35-39 40-44 45-49 50-54 55-59 60-64 Kg) Frequency 3 5 12 18 14 6 2 24. Represent the following information through a time series graph: Years 1992 1993 1994 1995 1996 1997 1998 Exports (in crores 300 320 400 350 360 250 340 `) Imports (in crores 450 300 280 375 330 450 325 `)
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ISM/SENIOR SECTION/ECONOMICS/CLASS 11 - 2017-2018
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