Question

An equation was used to predict the number of possible enrollments in an afterschool program for the first 6 months of the year. The actual enrollments are also listed.


Actual enrollment 55 80 95 100 115 90
Predicted enrollment 75 80 85 90 95 100


The sum of the residuals is ______.

Answer 1

Will Fan And Medal

Answer 2

???

Answer 3

do you have notes on what a residual is ?

Answer 4

no

Answer 5

i just got introduced to this and i dont really get it

Answer 6

could you help me out with it

Answer 7

i gtg like in 5 min

Answer 8

although maybe you don't square the error first?

Answer 9

I know the first step is to find the error: difference between the predicted and the measured (or actual)

and then add up them up.

Answer 10

wdym find the error

Answer 11

do "actual - predicted" for each entry

Answer 12

add up all the acutal and preditcted and than subtract them?

Answer 13

ex: 55-75= -25
do that for all of them, and add them up

Answer 14

ohh ok

Answer 15

i got it right thanks @phi