PLEASE HELP ITS MY LAST, AND ITS DUE IN 6 MINUTES. SHOW A LITTLE WORK AND I WILL GIVE BRAINLIEST

Answer:
77
Step-by-step explanation:
The median is the middle number
There are 18 numbers so the middle is between the 9 and 10 numbers
76 and 78 are the 9th and 10th numbers
Average them
(76+78)/2 = 77
The median is 77