What is the mean of these numbers?
-1,-4,-5,10
Add the four numbers. Then divide by 4. What do you get?
-7.5
When I added the numbers, I got 0.
-10 + 10 = 0
0/4 = 0
To find the mean of a set of numbers, you need to add up all the numbers in the set and then divide the sum by the total number of values.
In this case, you have the numbers -1, -4, -5, and 10. To find the mean, add up these numbers:
-1 + (-4) + (-5) + 10 = 0
Now, divide the sum by the total number of values, which is 4:
0 / 4 = 0
So, the mean of the given numbers is 0.