emmynimmy
  • emmynimmy
Shelly found that the coefficient of determination between the age of a runner x and the runner’s finishing position y was about 0.728. What can she conclude? 72.8% of the variation in and the runner’s finishing position is explained by the runner’s age. 0.728% of the variation in and the runner’s finishing position is explained by the runner’s age. 53% of the variation in and the runner’s finishing position is explained by the runner’s age. 0.728 more variation in and the runner’s finishing position is caused by the runner’s age.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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emmynimmy
  • emmynimmy
help):
kva1992
  • kva1992
its the first one
kva1992
  • kva1992
http://www.statisticshowto.com/what-is-a-coefficient-of-determination/

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emmynimmy
  • emmynimmy
are you sure?
kva1992
  • kva1992
according to that yeah it should be the first one
emmynimmy
  • emmynimmy
thank you so much
kva1992
  • kva1992
was it right?
emmynimmy
  • emmynimmy
idk it doesn't tell me until after i finish.
emmynimmy
  • emmynimmy
i stil have two questions.
emmynimmy
  • emmynimmy
kva1992
  • kva1992
do ya need help with that as well lol
emmynimmy
  • emmynimmy
yeah this and one more (:
emmynimmy
  • emmynimmy
kva1992
  • kva1992
answer should be b
emmynimmy
  • emmynimmy
y = 0.26x + 16.9?
kva1992
  • kva1992
yup
emmynimmy
  • emmynimmy
thanks! do you know about the second one i sent?
kva1992
  • kva1992
.95
emmynimmy
  • emmynimmy
ok everything was right cept the last one, it was .91
emmynimmy
  • emmynimmy
thank you !!
kva1992
  • kva1992
oh okie damn my bad sorry my rounding might have been off or i might have mistyped the number
kva1992
  • kva1992
do you want to know how i did those lol?
emmynimmy
  • emmynimmy
no don't worry! you helped so much, thank you.
emmynimmy
  • emmynimmy
i should want to but i am so sleepy so.... next time ahahaha
kva1992
  • kva1992
haha alright thats your call well take care good luck
emmynimmy
  • emmynimmy
thanks!!!
kva1992
  • kva1992
no problem

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