Given below is the data of percentage of passes of a certain school in the ICSE for consecutive years:
| Year | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 |
| % of passes | 92 | 80 | 70 | 86 | 54 | 78 | 94 |
Solution:
Birth rate per thousand of different countries over a certain period is:
| Country | India | Pakistan | China | U.S.A. | France |
| Birth rate | 36 | 45 | 12 | 18 | 20 |
Solution:
More Solutions:
- The class marks of a frequency distribution are given:
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- The mean of 100 observations is 50.
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- Find the mean and the median of all the (positive) factors of 48.
- Find the mean weight of the remaining students.
- What is the new mean age?