ruby median find
def find_median(arr)
sorted_arr = arr.sort
length = sorted_arr.length
if length.odd?
median_index = length / 2
median = sorted_arr[median_index]
else
upper_index = length / 2
lower_index = upper_index - 1
median = (sorted_arr[lower_index] + sorted_arr[upper_index]) / 2.0
end
median
end
# Example Usage:
# arr = [4, 7, 1, 9, 2, 5, 6, 8, 3]
# result = find_median(arr)
# puts result