KJ4UTS
  • KJ4UTS
The table below shows the consumer price index (CPI) every two years from 1980 through 1998...
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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KJ4UTS
  • KJ4UTS
KJ4UTS
  • KJ4UTS
I got y=4.467x-8760.425
anonymous
  • anonymous
I got y = 4.467x + 84.775 I think you might have used the wrong x-values. Did you use the years, or 0, 2, 4, ... Are you doing this by hand?

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KJ4UTS
  • KJ4UTS
oh i used years that might have been the problem, I am using a ti-84 and I did get y = 4.467x + 84.775 but I put y=4.467x-8760.425 because I used the years.
anonymous
  • anonymous
ok yeah that's what it was
KJ4UTS
  • KJ4UTS
I am just wondering why do you have to use 0, 2, 4, etc. instead of the years?
anonymous
  • anonymous
for ease basically. The data only starts from 1980, if you're resetting that as "year 0". Keeping the years makes the data look smaller
KJ4UTS
  • KJ4UTS
Thank you, I have another problem, would you mind looking at it, I can will open another question, I have answers to it but im not sure if there right.
anonymous
  • anonymous
|dw:1442592526506:dw|
anonymous
  • anonymous
yeah no problem
KJ4UTS
  • KJ4UTS
Ok I see it now that makes more sense.

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