5
Add them together and divide it by 2 e.g medians: 2 + 3 = 5 5 / 2 = 2.5 Median is 2.5 Hope that helped. :)
It is the start of an arithmetic sequence.
7
You minus 3. 8 minus 3 is 5, 5 minus 3 is 2 = 8, 5, 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.)
It is arithmetic because it is going up by adding 2 to each number.
2+3+5+7+11 = 28/5 = 5.6
This is an arithmetic sequence with initial term a = 3 and common difference d = 2. Using the nth term formula for arithmetic sequences an = a + (n - 1)d we get an = 3 + (n - 1)(2) = 2n - 2 + 3 = 2n + 1.
10
1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or higher
-1 deduct 3 each time
1. Something In The Water 2. Betty 3. Shadow Feet 4. Arithmetic 5. Deciphering me