please help i will mark you as brainleist! all I need is question #2

Answer:
The mean is 5.5
Step-by-step explanation:
The mean is defined as the average of the given numbers. That is the addition of the numbers divided by the total of numbers that have been added.
In your case the mean of the first ten counting numbers, you do;
[tex]Mean=\frac{1+2+3+4+5+6+7+8+9+10}{10} =\frac{55}{10} =5.5[/tex]