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
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Help please Medal and Fan!
anonymous
  • anonymous
@Jaynator495 @SyedMohammed98 @Uri
anonymous
  • anonymous
hey

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anonymous
  • anonymous
Hi
anonymous
  • anonymous
do you know what a residual is?
anonymous
  • anonymous
Nope
anonymous
  • anonymous
a residual is like the margin of an error in like an estimate or so
anonymous
  • anonymous
ok
anonymous
  • anonymous
so all we have to do in this question is find the error in the estimates
anonymous
  • anonymous
and add all of them together
anonymous
  • anonymous
Ok
anonymous
  • anonymous
so for the first one we have 75 predicted enrollment and 50 enrollment
anonymous
  • anonymous
we have -25 residual so far
anonymous
  • anonymous
Alright
anonymous
  • anonymous
remember we have to add all of these numbers in the end
anonymous
  • anonymous
for the second one the numbers are the same so we have 0 residual
anonymous
  • anonymous
btw i made a mistake the first one is 20 residual
anonymous
  • anonymous
Ok so the first one is 20 and the seond 0?
anonymous
  • anonymous
the third one we have 85 predicted and 95 actual
anonymous
  • anonymous
yes to your question
anonymous
  • anonymous
Ok
anonymous
  • anonymous
so can you try and calculate this one?
anonymous
  • anonymous
95 act. 85 predicted
anonymous
  • anonymous
add those numbers up?
anonymous
  • anonymous
no
anonymous
  • anonymous
we have to subtract them
anonymous
  • anonymous
to find the residual
anonymous
  • anonymous
Oh ok subract all those numbers you gave me and then it will give me the answer?
anonymous
  • anonymous
we have 10 additonal residual for the third one
anonymous
  • anonymous
and no to your question
anonymous
  • anonymous
Ok
anonymous
  • anonymous
so we have 20,0,and 10 so far
anonymous
  • anonymous
we have to find the SUM of all the residuals
anonymous
  • anonymous
mhm
anonymous
  • anonymous
So adding
anonymous
  • anonymous
what about 100 act. and 90 predicted
anonymous
  • anonymous
yes to your question
anonymous
  • anonymous
we have 10 residual
anonymous
  • anonymous
so 20,0,10 and 10 so far
anonymous
  • anonymous
40
anonymous
  • anonymous
so far yes
anonymous
  • anonymous
Ok
anonymous
  • anonymous
the next one is also 10
anonymous
  • anonymous
so 20,0,10,10,and 10
anonymous
  • anonymous
Wow ok lol its 50 now
anonymous
  • anonymous
the last one's residual is also 10
anonymous
  • anonymous
so the equation we have now is 20+0+10+10+10+10=?
anonymous
  • anonymous
60!
anonymous
  • anonymous
NICE!
anonymous
  • anonymous
tell me if i was right ok?
anonymous
  • anonymous
wait lemme just tag someone and let them proofread this ok?
anonymous
  • anonymous
@peachpi
anonymous
  • anonymous
Ok
anonymous
  • anonymous
So the answer is 60
anonymous
  • anonymous
yes
anonymous
  • anonymous
@paki
anonymous
  • anonymous
Ok
anonymous
  • anonymous
Nope the asnwer was wrong Oh well
anonymous
  • anonymous
what was the answer?!
anonymous
  • anonymous
idk the test doesn't give it to me it just says its wrong

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