The number is 18
hope this helps
Answer:
i believe that it is a function.
Step-by-step explanation:
you do not have any of the exact same numbers with arrows ot one another.
The mode for this set of numbers is 18 because there are three 18's in the set of number, and only two 20's. :D
Answer:
Option C. 
Step-by-step explanation:
we know that
Using a Excel tool (Correl function)
see the attached table
The r-value is 