Stats Project (9) Donuts

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A well-designed and well-executed project on tastes of donuts by Ashley and Chris. Though no significant results were found, the presentation was elegantly delivered.

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Stats Project (9) Donuts

  1. 1. Generic VS Name brand Team members: Ashley Flores Chris Lopez
  2. 2. <ul><li>? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? </li></ul><ul><li>? Can you taste the difference btwn </li></ul><ul><li>? Hostess Donettes & Little Debbies </li></ul><ul><li>? Powdered donuts? </li></ul><ul><li>? </li></ul><ul><li>? </li></ul><ul><li>? </li></ul><ul><li>? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? </li></ul>
  3. 3. Ho: No donuts preferred U = U Ha: Preference btwn donuts U > U A B A B
  4. 4. Matched/paired One-sample t Test n= 30
  5. 5. <ul><li>Random </li></ul><ul><li>at least 30 teachers </li></ul><ul><li>Normal </li></ul><ul><li>n > 30 </li></ul><ul><li>Independent </li></ul><ul><li>Met 10% condition </li></ul>Condition
  6. 6. Sampling procedure (: <ul><li>Simple random </li></ul><ul><li>n=30 </li></ul><ul><li>9 th - 12 th grade teachers </li></ul>
  7. 7. Sample A-B Freq. D a t a -3 -2 -1 0 1 2 3 4 4 4 6 3 1 7 2 3
  8. 8. t=0.559 p= .29 =0.05 Test Statistics
  9. 9. Conclusion <ul><li>Since p > .05 we fail to reject Null hypothesis . </li></ul>
  10. 10. D’OH! <ul><li>Teachers were in a rush! </li></ul><ul><li>Dieting </li></ul><ul><li>No difference </li></ul>
  11. 11. <ul><li>Provide water for each taste </li></ul><ul><li>When they have more time </li></ul><ul><li>Give “b” first rather than “a” </li></ul><ul><li>Where do they shop </li></ul>Recommendations

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