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The mean weight of 8 numbers is 15. I...

The mean weight of 8 numbers is 15. If each number is multiplied by 2, what will be the new mean?

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RD SHARMA-DATA HANDLING 2-All Questions
  1. The mean of five numbers is 27. If one number is excluded, their me...

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  2. The mean weight per student in a group of 7 students is 55 kg. The ...

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  3. The mean weight of 8 numbers is 15. If each number is multiplied by...

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  4. The mean of 5 numbers is 18. If one number is excluded, their mean ...

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  5. The mean of 200 items was 50. Later on, it was discovered that the ...

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  6. The mean of five numbers is 27. If one number is excluded, their me...

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  7. The mean of 75 numbers is 35. If each number is multiplied by 4, fi...

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  8. Organise the following marks in a class assessment, in a tabular fo...

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  9. Given below are the ages of 25 students of class VIII in a school. ...

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  10. Find the mean of the following distribution:          4       ...

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  11. Following table shows the weights of 12 students: ...

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  12. Find the mean of the following distribution:            10       ...

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  13. If the mean of the following distribution is 6, find the value of ...

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  14. Find the value of  if the mean of the following distribution is 7...

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  15. A die was thrown 20 times and the following outcomes were recorded Ar...

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  16. Following figures relate the weekly wages (in Rs.) of 15 workers in...

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  17. The following table shows the weights (in kg) of 15 workers in a facto...

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  18. The ages (in years) of 50 students of a class in a school are given...

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  19. Calculate the mean for the following distribution:               ...

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  20. Find the mean of the following data:                19        ...

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