UPSKILL MATH PLUS
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Learn moreCalculate the mean of the following observations using direct method.
| Class interval | \(5 - 20\) | \(20 - 35\) | \(35 - 50\) | \(50 - 65\) | \(65 - 80\) | \(80 - 95\) | \(95 - 110\) | \(110 - 125\) |
| Frequency | 16 | 3 | 3 | 24 | 17 | 12 | 8 | 4 |
The mean of the data is
(Note: If the answer is a whole number, write as it is. If not, round off the answer to \(2\) decimal places and provide the answer.)
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