Question

the following are the changes of a value of a certain stock over the last 5 days: -$7, +$3, +$6, -$2, -$5. find the mean and interpret the quotient

Answer 1

-7+3+6-2-5. = -5. /5. = -1. That means that they lost $1 a day

Answer 2

They lost 1 dollar a day because 7+3+6-2-5= -5.15. = - 1