10, 20, 15, 17, 13
You average the two numbers in the middle. For example, if you have the numbers 9, 13, 17, and 20, the median is the average of 13 and 17, which is 15.
11 13 17 19
11 13 17 19
The numbers 11, 13, 17 and 19 are prime.
10, 20, 15, 17, 13
The prime numbers between 10 and 20 are 11, 13, 17, and 19.
The prime numbers between 10 and 20 are 11, 13, 17, and 19.
11, 13, 17, and 19
11, 13, 17, 19
You average the two numbers in the middle. For example, if you have the numbers 9, 13, 17, and 20, the median is the average of 13 and 17, which is 15.
13, 15, 17, 19
11, 13, 17, and 19
11 13 17 19
11 13 17 19
11, 13, 17, 19
They are: 13 17 and 19