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Classify following information as primar...

Classify following information as primary data or secondary data. Leteraly rate figures obtained from eductaional survey.

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CHETANA PUBLICATION-STATISTICS-Exercise
  1. Classify following information as primary data or secondary data.Elect...

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  2. Classify following information as primary data or secondary data.Elect...

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  3. Classify following information as primary data or secondary data. Lete...

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  4. All 30 members of a 'Nature Club' in a school planted trees in the fou...

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  5. The consumption of electricity for one month (in units of 40 houses in...

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  6. Find the class mark of the class 0.5 to20.5

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  7. For class interval 35-45 write the lower class limit and the upper cla...

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  8. Complete the following table.

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  9. Complete the followiing commulative frequency.

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  10. Using the data in Q.9 answer the question. How many forms yield more t...

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  11. Using the data in Q.9 answer the question. How many forms yield more t...

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  12. Using the data in Q.9 answer the question. How many forms yield more t...

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  13. Using the data in Q.9 answer the question. How many forms yield more t...

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  14. The marks of a class test are given below: 28,26,17,12,14,19,27,26,21,...

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  15. The ages of teachers of a school are 53,37,39,51,46,41,44,47,55,48 Fin...

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  16. The height of students are given below Find the mode of height.

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  17. The weight of students are given below Find the mode

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  18. The average of monthly alary of 20 employees in a company is Rs. 7650....

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  19. The mean weight of 25 students of a class is 48 kg. If the mean weight...

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  20. What is the median of 7, 10, 7, 5, 9, 10?

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