anonymous
  • anonymous
The graph below plots the values of y for different values of x: Which correlation coefficient best matches the data plotted on the graph? 0.5 0.8 0.9 1.0
Mathematics
katieb
  • katieb
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anonymous
  • anonymous
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anonymous
  • anonymous
@DanJS hey can you help?
anonymous
  • anonymous

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triciaal
  • triciaal
what is the correlation coefficient?
anonymous
  • anonymous
uum, i dont know
triciaal
  • triciaal
sorry phone
triciaal
  • triciaal
let us find the slope
triciaal
  • triciaal
change in y / change in x = y2 -y1/ x2 -x1 for 2 points on the line (x1,y1) and (x2, y2)
anonymous
  • anonymous
what do i put in for x and y?
triciaal
  • triciaal
give me a min stats not my best let me verify correlation
anonymous
  • anonymous
okay
triciaal
  • triciaal
the slope is for the "best fit" line
anonymous
  • anonymous
okay
triciaal
  • triciaal
found a formula but even the shortcut is long I need to pass, sorry. will try to solicit more help for you
triciaal
  • triciaal
anonymous
  • anonymous
OK but thankyou for trying :)
triciaal
  • triciaal
|dw:1437608977395:dw|
anonymous
  • anonymous
What is that?
triciaal
  • triciaal
|dw:1437609332181:dw|
triciaal
  • triciaal
|dw:1437609459201:dw|
anonymous
  • anonymous
Yea
triciaal
  • triciaal
|dw:1437609666432:dw|
anonymous
  • anonymous
ok im following
triciaal
  • triciaal
great but this is TEDIOUS
anonymous
  • anonymous
Yea i know haha, you dont have to help if you dont want to
anonymous
  • anonymous
triciaal
  • triciaal
anonymous
  • anonymous
anonymous
  • anonymous
Can you help?
Keigh2015
  • Keigh2015
I will try, this in not my best subject
triciaal
  • triciaal
@Keigh2015 you too
Keigh2015
  • Keigh2015
you too what?
anonymous
  • anonymous
Can you?
Keigh2015
  • Keigh2015
I don't know still trying to look at all of it and make sense of it all, but i will try.
anonymous
  • anonymous
Okay
triciaal
  • triciaal
@Keigh2015 meant this/stats is not your best subject
Keigh2015
  • Keigh2015
Ok so, I can't figure out which function it would be, but probably a positive cubic function. The spacing between the points seems to be 1.0 (1 unit exactly). Oh yeah this is not my best subject @triciaal
anonymous
  • anonymous
ill just put that, its been forever on this question

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