I won't tell you the answer but...
1 Step) Add all the numbers together
2 Step) Divide the total by the number of numbers in the set
3 Step) You have your answer
Example: (Numbers: 1, 2, 3)
1) 1+2+3=6
2)Since there are three numbers in the set, you have to do 6 divided by 3 which is 2.
3) So the mean is 2.
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You add all the numbers together and divide the answer by the amount of numbers. eg 4 7 3 2 4+7+3+2=16 16/4 =2 the mean [ arithmetic ] is 2
The arithmetic mean is (22 + 31 + 34)/3 = 87/3 = 29The arithmetic mean is (22 + 31 + 34)/3 = 87/3 = 29The arithmetic mean is (22 + 31 + 34)/3 = 87/3 = 29The arithmetic mean is (22 + 31 + 34)/3 = 87/3 = 29
1/2 (3x + 1 + x - 3) = 1/2 (4x - 2) = 2x - 1
2+3+5+7+11 = 28/5 = 5.6
30
The arithmetic mean is 2.
The arithmetic mean of a set of numbers is found by dividing the sum of all the numbers by how many numbers there are. In this case the arithmetic mean is: (8 + 7 + 7 + 5 + 3 + 2 + 2) / 7 ---> because there are 7 pieces of data. = 34 / 7 = 4.857 ( to 3 d.p.)
You add all the numbers together and divide the answer by the amount of numbers. eg 4 7 3 2 4+7+3+2=16 16/4 =2 the mean [ arithmetic ] is 2
The arithmetic mean is (22 + 31 + 34)/3 = 87/3 = 29The arithmetic mean is (22 + 31 + 34)/3 = 87/3 = 29The arithmetic mean is (22 + 31 + 34)/3 = 87/3 = 29The arithmetic mean is (22 + 31 + 34)/3 = 87/3 = 29
4 and one-seventh
The arithmetic mean is simply (7+21)sqrt(3)/2 = 14sqrt(3) = 24.25 (to 2 d.p.) The geometric mean is sqrt [ 7sqrt(3) x 21sqrt(3) ] = sqrt [ 7 x 21 x 3 ] = sqrt [21 x 21] = 21
x + 5x + 6x = 12x. There are 3 terms. If the arithmetic mean is 8 then 12x = 3 x 8 = 24 : So, x = 24 ÷ 12 = 2.
1/2 (3x + 1 + x - 3) = 1/2 (4x - 2) = 2x - 1
It is the start of an arithmetic sequence.
2+3+5+7+11 = 28/5 = 5.6
30
(0.1 + 0.2) ÷ 2 = 0.15