Example: Find the median of the following: 1, 2, 1, 5, 5 Step 1: Sort the list → 1, 1, 2, 5, 5 Step 2: Count of numbers listed → 5 (odd) Step 3: So the middle number is (count+1)/2 → (5+1)/2 → 3rd number. Therefore, the median is 2.
Grades:
5
6
7-12
Example: √4 =
2
Grades:
7-12
Example: Counting up from 2, which number comes next? 3
Count to 2 and then one more (0, 1, 2, 3, ...). The number that comes after 2 is 3.