A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

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 ______.

  • This Question is Closed
  1. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Will Fan And Medal

  2. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ???

  3. phi
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    do you have notes on what a residual is ?

  4. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    no

  5. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

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

  6. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    could you help me out with it

  7. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i gtg like in 5 min

  8. phi
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    although maybe you don't square the error first?

  9. phi
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    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.

  10. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    wdym find the error

  11. phi
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    do "actual - predicted" for each entry

  12. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

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

  13. phi
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

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

  14. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ohh ok

  15. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i got it right thanks @phi

  16. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.