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Consider the marks obtained by 50 studen...

Consider the marks obtained by 50 students in a mathematics test for a total marks of 10. 5,8,6,4,2, 5,4,9,10,2, 1,1,3,4,5, 8,6,7,10,2, 1,1,3,4,4, 5,8,6,7,10, 2,8,6,4,2, 5,4,9,10,2, 1,1,3,4,5, 8,6,4,5,8

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VGS PUBLICATION-BRILLIANT-STATISTICS-EXERCISE
  1. Which of the following are primaryt and secondary data ? (i) Collect...

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  2. Which of the following are primary and secondary data? Height of stude...

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  3. Consider the marks obtained by 50 students in a mathematics test for a...

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  4. The weight (in grams) of 50 oranges, picked at random from a basket of...

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  5. The relative humidity (in %) of a certain City for a September month o...

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  6. The relative humidity (in %) of a certain City for a September month o...

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  7. The blood groups of 36 students of IX class are record as follows. A, ...

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  8. Three coins are tossed 30 times simultaneously. Each time the number o...

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  9. A TV channel or organised SMS (Short Message Service) poll on prohibit...

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  10. Identify the scale used on the axes of the adjacent graph. Write the f...

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  11. The marks 30 students of a class, obtained in a test (out of 75) , are...

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  12. The electricity bills (in rupees) of 25 houses in a locality are given...

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  13. A company manufactures car batteries of particular type. The life (in ...

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  14. Give 3 situations, where mean, median and mode are separately appropri...

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  15. Rain fall of a place in the week is 4 cm, 5 cm, 12cm, 3cm, 6cm, 8cm, 0...

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  16. If the mean of 10, 12, 18, 13, P and 17 is 15, find the value of P.

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  17. If the mean of the following data is 7.5 , then find the value of ‘A’ ...

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  18. Find the median of the scores 75, 21, 56 , 36 , 81 , 05, 42

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  19. Median of a data, arranged in ascending order 7, 10, 15, x, y, 27, 30 ...

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  20. In finding the median, the given data must be written in order. Why ?

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