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The marks in a subject for 12 students a...

The marks in a subject for 12 students are as follows: 31, 37, 35, 38, 42, 23, 17, 18, 35, 25, 35, 29
For the given data, find the
(a) range
(b) mean
(c) median
(d) mode

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NCERT EXEMPLAR-DATA HANDLING-EXERCISE
  1. A data constitutes of heights (in cm) of 50 children. What do you unde...

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  2. A car seller collects the following data of cars sold in his shop. ...

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  3. The marks in a subject for 12 students are as follows: 31, 37, 35, 38,...

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  4. The following are weights (in kg) of 12 people. 70, 62, 54, 57, 62, 84...

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  5. Following cards are put facing down: What is the chance of drawin...

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  6. For the given data given below, calculate the mean of its median and m...

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  7. Find the median of the given data if the mean is 4.5. 5, 7, 7, 8, x...

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  8. What is the probability of the sun setting tomorrow?

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  9. When a spinner with three colours (Fig. 3.5) is rotated, which colour ...

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  10. What is the probability that a student chosen at random out of 3 girls...

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  11. The letters written on paper slips of the word MEDIAN are put in a bag...

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  12. Classify the following events as certain to happen, impossible to happ...

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  13. A die was thrown 15 times and the outcomes recorded were 5, 3, 4, 1, 2...

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  14. Find the mean of first six multiples of 4.

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  15. Find the median of first nine even natural numbers.

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  16. The mean of three numbers is 10. The mean of other four numbers is 12....

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  17. Find the mode of the given data: 10, 8, 4, 7, 8, 11, 15, 8, 4, 2, 3, 6...

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  18. Given below are heights of 15 boys of a class measured in cm: 128, 1...

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  19. Observe the data and answer the questions that follow: 16, 15, 16, 16...

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  20. Age (in years) of 6 children of two groups are recorded as below: ...

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