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Find the range of heights of any ten stu...

Find the range of heights of any ten students of your class.

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The ages of the students of a class form an A.P. whose common difference is 4 months. If the youngest student is 8 years old and the sum of the ages of all the students of the class 1s 168 years, find the number of students in the class.

Consider the marks obtained (out of 100 marks) by 30 students of Class IX of a school: Find the mean of the marks obtained by 30 students of Class IX of a school.

The distribution below gives the weights of 30 students of a class. Find the median weight of the students.

The following values are calculated in respect of heights and weights of the students of a section of class XI. Can we say that the weights show greater variation than the heights?

The means and standard deviations of heights and weights of 50 students of a class are as follows : Which shows more variability, heights or weights ?

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PSEB-Data handling-EXAMPLES
  1. The ages in years of 10 teachers of a school are: 32, 41, 28, 54, 35...

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  2. The ages in years of 10 teachers of a school are: 32, 41, 28, 54, 35...

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  3. Find the range of heights of any ten students of your class.

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  4. Organise the following marks in a class assessment, in a tabular form....

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  5. Organise the following marks in a class assessment, in a tabular form....

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  6. Organise the following marks in a class assessment, in a tabular form....

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  7. Organise the following marks in a class assessment, in a tabular form....

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  8. Find the mean of the first five whole numbers.

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  9. A cricketer scores the following runs in eight innings: 58, 76, 40, ...

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  10. Following table shows the points of each player scored in four games: ...

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  11. Following table shows the points of each player scored in four games: ...

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  12. Following table shows the points of each player scored in four games: ...

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  13. Following table shows the points of each player scored in four games: ...

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  14. The marks (out of 100) obtained by a group of students in a science te...

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  15. The marks (out of 100) obtained by a group of students in a science te...

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  16. The marks (out of 100) obtained by a group of students in a science te...

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  17. The enrolment in a school during six consecutive years was as follows:...

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  18. The rainfall (in mm) in a city on 7 days of a certain week was recorde...

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  19. The rainfall (in mm) in a city on 7 days of a certain week was recorde...

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  20. The rainfall (in mm) in a city on 7 days of a certain week was recorde...

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