anonymous
  • anonymous
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 ______.
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Will Fan And Medal
anonymous
  • anonymous
???
phi
  • phi
do you have notes on what a residual is ?

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anonymous
  • anonymous
no
anonymous
  • anonymous
i just got introduced to this and i dont really get it
anonymous
  • anonymous
could you help me out with it
anonymous
  • anonymous
i gtg like in 5 min
phi
  • phi
although maybe you don't square the error first?
phi
  • phi
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.
anonymous
  • anonymous
wdym find the error
phi
  • phi
do "actual - predicted" for each entry
anonymous
  • anonymous
add up all the acutal and preditcted and than subtract them?
phi
  • phi
ex: 55-75= -25 do that for all of them, and add them up
anonymous
  • anonymous
ohh ok
anonymous
  • anonymous
i got it right thanks @phi

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