The Answer: (-b + 15) (15 - b)
2/20 students generally drop the course before completing the introductory statistics course.
B is correct the devotion is only 2 compared to 4.
A is wrong because variate A has higher trees then variate B
C is wrong because deviation for A is 4 compared to 2 ( opposite of B)
D is wrong because 4th one is 10 for A and 13 for B. 10 is not greater than 13
The answer would be 25
9 times 2 is 18 plus 7 is 25
Increases but is that what you are asking?
