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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