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What is the range of the given set of numbers?
 
\(41.5\), \(15\), \(39.7\), \(41.5\), \(15\), \(29.7\), \(15\), \(2.3\), \(54.9\), \(29.7\), \(15\), \(39.7\), \(41.5\), \(2.3\), \(54.9\), \(29.7\), \(2.3\), \(54.9\), \(15\), \(41.5\)
 
Range \(=\)