Ten friends scored the following marks in their end-of-year math exam: 23%, 37%, 45%, 49%, 56%, 63%, 63%, 70%, 72% and 82%
What was the mean deviation of their marks?

Given that  

Marks of ten friends

   23%, 37%, 45%, 49%, 56%, 63%, 63%, 70%, 72% and 82%

Mean = 56

Variance = 284.6

Standards deviation = 16.9

  q

step-by-step explanation:

each line from a vertex to the midpoint of the opposite side is called a median. the point where the medians intersect, point q, is the centroid.

the centroid of δabc is point q.

step-by-step explanation:

3024 rhe base is what up in worry about