Answer:
It's better to use the mean of the numbers
Explanation:
When trying to find how well he did in math, he has to find the mean. This means add all the numbers up (92 + 80 + 78 + 92+ 83), this equals 425. Next, divide it by how many numbers there are (5), (425 divided by 5) this equals 85. This is how well Mark is doing on his tests.