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In the school, 46 students of 9 th stand...

In the school, 46 students of 9 th standard were told to measure the lengths of the pencils in their compass boxes in centimetres. The data collected was as follows:collected was as follows.16, 15, 7, 4.5, 8.5, 5.5, 5 ,6.5, 6, 10, 12, 13, 4.5, 4.916, 11, 9.2 7.3, 11.4, 12.7 13.916, 5.5, 9.9, 8.4, 11.4, 13.1, 15,4.8, 10, 7.5, 8.5, 6.5, 7.2, 4.5, 5.7, 16, 5.7 6.9, 8.9, 9.2, 10.2, 12.3, 13.7, 14.5, 10 By taking inclusive classes 0-5, 5-10, 10-15... prepare a grouped frequency distribution table

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In a school, 46 students of 9th standard, were told to measure the lengthsof the pencils in their compass-boxesin centimetres.Thedata collected was as follows. gms 13-14 14 -15 15-16 16, 15, 7, 4.5, 8.5, 5.5, 5, 6.5,6, 10, 12, 13, 4.5, 4.9 16, 11,9.2 7.3, 11.4, 12.7 13.9 16, 5.5, 9.9,8.4, 11.4, 13.1, 15, 4.8, 10, 7.5, 8.5,6.5, 7.2, 4.5, 5.7, 16, 5.7 6.9, 8.9,9.2, 10.2, 12.3, 13.7, 14.5, 10 By taking inclusive classes 0-5, 5-10, 10-15..prepare a group frequency distribution table.

What is the mean of 1, 3, 5, 7, 9, 11, 13?

What is the mean of 3, 5, 7, 9, 11, 13, 15?

Complete the Venn Digram for the following : U = {1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 13}, A = {1, 2, 3, 5, 7} B = {1, 5, 8, 9, 10} A uu B = ? A nn B = ?

In a 'tree plantation' project of a certain school there are 45 students of 'Harit Sena'.The record of trees planted by each student is given below:3, 5, 7, 6, 4, 3, 5, 4, 3, 5, 4, 7, 5, 3, 6, 6, 5, 3, 4, 5, 7,3, 5, 6, 4, 4, 3, 5, 6, 6, 4, 3, 5, 7, 3, 4, 5, 7, 6, 4, 3, 5, 4,4,7 Prepare frequency distribution table of the data.

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CHETANA PUBLICATION-STATISTICS-Exercise
  1. In the school, 46 students of 9 th standard were told to measure the l...

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  2. Which of the following data is not primary?

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  3. What is the upper class limit for the class 15-35?

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  4. What is the class mark of class 25-35?

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  5. If the classes are 0-10, 10-20,20-30… then in which class should the o...

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  6. The mean of five numbers is 50, out of which mean of 4 numbers is 46, ...

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  7. mean of 100 observations is 40. The 9 observation is 30. If this is re...

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  8. What is the mode of 19, 19, 15, 20, 25, 15, 20, 15?

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

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  10. From following table, what is the cumulative frequency of less than ty...

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  11. The mean of the data 87, 92, 63, 78, 92, 59, 72, 66, is……..

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

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  13. The mode of 18, 14, 22, 23, 14, 18, 17, 18, 28, 28, 14, 25, 14 is……………

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  14. The mean of eleven number is 47. If a number is added then the mean is...

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  15. A cricket player scored run in different matches as follows : 36, 41, ...

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  16. Classify following information as primary data or secondary data. Numb...

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  17. Classify following information as primary data or secondary data.Numbe...

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

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

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

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

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