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Consider the following frequency distribution of the height of \(60\) students of a class:
| Height (in cm) | Number of students |
| \(150-155\) | \(15\) |
| \(155-160\) | \(13\) |
| \(160-165\) | \(10\) |
| \(165-170\) | \(8\) |
| \(170-175\) | \(9\) |
| \(175-180\) | \(5\) |
The sum of the lower limit of the modal class and upper limit of the median class is
