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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 ______.

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  1. anonymous
    • one year ago
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    Help please Medal and Fan!

  2. anonymous
    • one year ago
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    @Jaynator495 @SyedMohammed98 @Uri

  3. anonymous
    • one year ago
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    hey

  4. anonymous
    • one year ago
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    Hi

  5. anonymous
    • one year ago
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    do you know what a residual is?

  6. anonymous
    • one year ago
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    Nope

  7. anonymous
    • one year ago
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    a residual is like the margin of an error in like an estimate or so

  8. anonymous
    • one year ago
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    ok

  9. anonymous
    • one year ago
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    so all we have to do in this question is find the error in the estimates

  10. anonymous
    • one year ago
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    and add all of them together

  11. anonymous
    • one year ago
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    Ok

  12. anonymous
    • one year ago
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    so for the first one we have 75 predicted enrollment and 50 enrollment

  13. anonymous
    • one year ago
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    we have -25 residual so far

  14. anonymous
    • one year ago
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    Alright

  15. anonymous
    • one year ago
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    remember we have to add all of these numbers in the end

  16. anonymous
    • one year ago
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    for the second one the numbers are the same so we have 0 residual

  17. anonymous
    • one year ago
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    btw i made a mistake the first one is 20 residual

  18. anonymous
    • one year ago
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    Ok so the first one is 20 and the seond 0?

  19. anonymous
    • one year ago
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    the third one we have 85 predicted and 95 actual

  20. anonymous
    • one year ago
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    yes to your question

  21. anonymous
    • one year ago
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    Ok

  22. anonymous
    • one year ago
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    so can you try and calculate this one?

  23. anonymous
    • one year ago
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    95 act. 85 predicted

  24. anonymous
    • one year ago
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    add those numbers up?

  25. anonymous
    • one year ago
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    no

  26. anonymous
    • one year ago
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    we have to subtract them

  27. anonymous
    • one year ago
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    to find the residual

  28. anonymous
    • one year ago
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    Oh ok subract all those numbers you gave me and then it will give me the answer?

  29. anonymous
    • one year ago
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    we have 10 additonal residual for the third one

  30. anonymous
    • one year ago
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    and no to your question

  31. anonymous
    • one year ago
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    Ok

  32. anonymous
    • one year ago
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    so we have 20,0,and 10 so far

  33. anonymous
    • one year ago
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    we have to find the SUM of all the residuals

  34. anonymous
    • one year ago
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    mhm

  35. anonymous
    • one year ago
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    So adding

  36. anonymous
    • one year ago
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    what about 100 act. and 90 predicted

  37. anonymous
    • one year ago
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    yes to your question

  38. anonymous
    • one year ago
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    we have 10 residual

  39. anonymous
    • one year ago
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    so 20,0,10 and 10 so far

  40. anonymous
    • one year ago
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    40

  41. anonymous
    • one year ago
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    so far yes

  42. anonymous
    • one year ago
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    Ok

  43. anonymous
    • one year ago
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    the next one is also 10

  44. anonymous
    • one year ago
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    so 20,0,10,10,and 10

  45. anonymous
    • one year ago
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    Wow ok lol its 50 now

  46. anonymous
    • one year ago
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    the last one's residual is also 10

  47. anonymous
    • one year ago
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    so the equation we have now is 20+0+10+10+10+10=?

  48. anonymous
    • one year ago
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    60!

  49. anonymous
    • one year ago
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    NICE!

  50. anonymous
    • one year ago
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    tell me if i was right ok?

  51. anonymous
    • one year ago
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    wait lemme just tag someone and let them proofread this ok?

  52. anonymous
    • one year ago
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    @peachpi

  53. anonymous
    • one year ago
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    Ok

  54. anonymous
    • one year ago
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    So the answer is 60

  55. anonymous
    • one year ago
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    yes

  56. anonymous
    • one year ago
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    @paki

  57. anonymous
    • one year ago
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    Ok

  58. anonymous
    • one year ago
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    Nope the asnwer was wrong Oh well

  59. anonymous
    • one year ago
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    what was the answer?!

  60. anonymous
    • one year ago
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    idk the test doesn't give it to me it just says its wrong

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spraguer (Moderator)
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