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# Stats Project (7) Abner's Hair

## by rickykyip on Jun 14, 2011

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A fun and creative project by Nick, Sean, and Eric.

A fun and creative project by Nick, Sean, and Eric.

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## Stats Project (7) Abner's HairPresentation Transcript

• Abner-Hair=?
Sean Tran
Nick Flores
Eric Chan
• The Test
Whether Abner looks better with long hair or short
Ho=The proportion of people who liked Abner’s long hair and short hair are equal; p=.5
Ha=People prefer abner’s old hair over the new hair; p<.5
• The Sample
One big mexican family
A big asian family
A smaller asian family
Mr. Harts class
• Conditions
Independence
Normal
Random
• The Results
• Better than a pie chart
• The Test
We ran a one proportion z test
We ran a one tailed test in order to prove that his old hair was preferred
• The Test
Our z=7.222
Our p=2.575E-13=0.00
Therefore, at the α=.01, level we have sufficient evidence to reject the null hypothesis. We can conclude Ha, that Abner’s old hair makes him sexier
• Possible Errors
People lied
• Recommendations?
Make sure both photos are of the same quality
Use a survey