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2012 AP Stats Project (7)
2012 AP Stats Project (7)
2012 AP Stats Project (7)
2012 AP Stats Project (7)
2012 AP Stats Project (7)
2012 AP Stats Project (7)
2012 AP Stats Project (7)
2012 AP Stats Project (7)
2012 AP Stats Project (7)
2012 AP Stats Project (7)
2012 AP Stats Project (7)
2012 AP Stats Project (7)
2012 AP Stats Project (7)
2012 AP Stats Project (7)
2012 AP Stats Project (7)
2012 AP Stats Project (7)
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2012 AP Stats Project (7)

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Esbeyde and Stephanie tried to find an association between the color and taste preference of Skittles candies. While there were potential lurking variables, they found interesting results.

Esbeyde and Stephanie tried to find an association between the color and taste preference of Skittles candies. While there were potential lurking variables, they found interesting results.

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  • 1. Taste the RainbowBy: Esbeyde and Stephanie Saldana
  • 2. SurveyWhat is your favorite Skittles flavor? (circle one please)Grape (purple) Lemon (yellow) Lime (green) Orange (orange) Strawberry (red) Gender: Male or Female :]
  • 3. Is there a preference in flavor? ora ng e lim es tra w b e rry g ra pe le m o n
  • 4. Ho: There is nopreference in flavor. Ha: There is apreference in flavor.
  • 5. Chi-Square Goodness-of-Fit Test ( observed− expected ) 2χ =∑2 expected
  • 6. Check Conditions Random Independent Normal
  • 7. Orange Strawberryn=66 Grape Lemon LimeObserved 9 7 11 7 32Expected (13.2) (13.2) (13.2) (13.2) (13.2)
  • 8. X²= 34.3 P≈ 0 Df= 5
  • 9. • Are gender and choice Skittles flavor independent? ora ng e lim etra w b e rry g ra p e le m o n
  • 10. Ho: Gender and Skittles preference are independent.Ha: Gender and Skittles preference are not independent.
  • 11. grape lemon orange strawberry lime 2 2 5 5 9Male (3.14) (2.44) (3.83) (2.44) (11.15)Female 7 5 6 2 23 (5.86) (4.56) (7.17) (4.56) (20.85) Male n= 23 Female n=43
  • 12. • Not enough in the expected count. Conditions were not met.
  • 13. Potential Errors &Recommendations  Have a larger sample size  Make people eat a different flavor first Give only one of each Skittles flavor  Blind taste test  Provide water
  • 14. By: Esbeyde and Stephanie Saldana

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