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The mean of 40 observations was 160. It ...

The mean of 40 observations was 160. It was detected that the value of 165 was wrongly copied as 125. Find the correct mean.

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ICSE-MEAN AND MEDIAN-Exercise 19(C)
  1. The mean of 40 observations was 160. It was detected that the value of...

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  2. Find the mean of 8, 12, 16, 22, 10 and 4. Find the resulting mean, if ...

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  3. Find the mean of 8, 12, 16, 22, 10 and 4. Find the resulting mean, if ...

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  4. Find the mean of 8, 12, 16, 22, 10 and 4. Find the resulting mean, if ...

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  5. Find the mean of 8, 12, 16, 22, 10 and 4. Find the resulting mean, if ...

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  6. Find the mean of 8, 12, 16, 22, 10 and 4. Find the resulting mean, if ...

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  7. The mean of 18,24,15, 2x+1 and 12 is 21. Find the value of x.

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  8. The mean of 6 numbers is 42. If one number is excluded, the mean of re...

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  9. The mean of 10 numbers is 24. If one more number is included, the new ...

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  10. The following observations have been arranged in acending order. If th...

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  11. The following observations have been arranged in ascending order. If t...

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  12. Find the mean of the following data : 30,32,24,34, 26,28, 30, 35, 33...

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  13. Find the mean of the following data : 30,32,24,34, 26,28, 30, 35, 33...

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  14. Find the mean and median of the data : 35, 48, 92, 76, 64, 52, 51, 6...

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  15. The mean of x,x+2,x+4,x+6 and x+8 is 11, find the mean of the first th...

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  16. Find the mean and median of all the positive factors of 72.

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  17. The mean weight of 60 students in a class is 40 kg. The mean weight of...

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  18. The average of n numbers x(1),x(2),x(3) . . . . .. ,x(n) is A. If x(1)...

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  19. The heights (in cm) of the volley-ball players from team A and term B ...

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  20. Find the mean of 8, 12, 16, 22, 10 and 4. Find the resulting mean, if ...

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  21. Find the mean of 8, 12, 16, 22, 10 and 4. Find the resulting mean, if ...

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