UPSKILL MATH PLUS
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Learn moreFind the mean number of children of various age groups playing in the park using the step deviation method.
| Age | \(2 - 4\) | \(4 - 6\) | \(6 - 8\) | \(8 - 10\) | \(10 - 12\) |
| Number of children | 7 | 9 | 2 | 5 | 1 |
The mean of the data is
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