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The following are weights (in kg) of 12 ...

The following are weights (in kg) of 12 people. 70, 62, 54, 57, 62, 84, 75, 59, 62, 65, 78, 60
(a) Find the mean of the weights of the people.
(b) How many people weight above the mean weight?
(c) Find the range of the given data.

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NCERT EXEMPLAR-DATA HANDLING-EXERCISE
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  2. The marks in a subject for 12 students are as follows: 31, 37, 35, 38,...

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

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

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

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

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

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

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

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

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

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