15 5 6 6 19 4 5 5 3 4 5 19 5 4 6

What is the mean? Round your answer to the nearest tenth.

Counter = 0

sum = 0

while we haven't covered all the numbers, repeat these:

Step 1: sum = sum + (next number)

Step 2: counter = counter + 1

When all numbers are covered: the average is (sum/count)