Question

the table shows the number of trees planted by an environmental organization each day.
number of trees planted
33 53 46
24 36 12
59 51 74
58 55 18
57 44 52
87 68 61
90 75 101
find the median number of trees planted per day.
___ trees

Explanation:

Step1: List all data values

12, 18, 24, 33, 36, 44, 46, 51, 52, 53, 55, 57, 58, 59, 61, 68, 74, 75, 87, 90, 101

Step2: Count total data points

$n = 21$ (odd number)

Step3: Find median position

$\text{Position} = \frac{n+1}{2} = \frac{21+1}{2} = 11$

Step4: Select 11th value

The 11th value in the sorted list is 55.

Answer:

55 trees