45 will be the average...
45
Without going into all the math because all I did was Google it, 45.
In total, we are changing the sum of the 9 numbers by 1 + 2 + ... + 9 = 9 x 10 / 2 = 45, so each of the numbers is increased by, on average, 45/9=5. If the old average was 40, the new one is 40 + <the average amount each number was increased by> = 40 + 5 = 45.
add up all the numbers and then divide that number by the number of numbers that you added up.
It is not possible to find out the average of a number without knowing how many numbers were added together to get said number. If there were say, 7 numbers added together to get the total of 27.352, then you would divide 27.352 by 7 to get the average.
The total of the 6 numbers is 48 (6x8) Adding another number will take the total to 7. So with an average of 10, the total of the 7 numbers will be 70 (7x10) 70 - 48 = 22 which is our seventh number.
31
The mean of numbers is the average. To find this, first add all the numbers, then divide by how many numbers you added.
An average is found by adding all the relevant numbers together, and then dividing by the number of numbers added. This is a concept learned in elementary school.
The numbers are 7 and 28 which equals 35 when added together
Add the numbers then divide the sum by the number of numbers you added e.g. average of 1,2,3,4 four numbers add em up 1+2+3+4 =10 divide the sum by the number of numbers 10/4 average of 1,2,3,4 is 2.5
mean means the average or all the numbers in the set added together and then divided by the number of numbers in the set of numbers.