What is the median of these numbers 78, 62, 91, 51, 55, 93, 76, 82, 65, 85, 79, 83, 55, 72?

77

Explanation:

Arranaged in ascending order :
51, 55, 55, 62, 65, 72, 76, 78, 79, 82,  83, 85, 91, 93

Median = (76 +78 )  ÷ 2 = 77

The Wise Orange knows that the median is the middle number after the numbers are arranged in ascending order.

Put them from smallest to largest

51, 55,55,62,65,72,76,78,79,82,83,85,91,93

(76+78)/2=77 is the median