UPSKILL MATH PLUS

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Consider the data:
 
Class Frequency
\(65-85\) \(4\)
\(85-105\) \(5\)
\(105-125\) \(13\)
\(125-145\) \(20\)
\(145-165\) \(14\)
\(165-185\) \(7\)
\(185-205\) \(4\)
 
The difference of the upper limit of the median class and the lower limit of the modal class is