Answer:

Step-by-step explanation:
Given
See attachment for dot plot
Required
The center of data
This implies that, we calculate the median
From the attached plot,
--- number of observation
So, the median is:




The median is at the 7th position
At the 7th position, is 13
Hence:

Answer:
x=8,9
Step-by-step explanation:
x^2-17x+72=0
(x-8)(x-9)=0
x=8,9
Answer:
2.85714285714
Step-by-step explanation:
just searched it.
Answer:
Mark!
Step-by-step explanation:
say you have 20 cookies, Mark ate on fifth so that would be 4, bringing him with 16 left
Chris ate 1/4 which would be 5, he would have 15 left