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# Phone a Friend

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by

## Caroline Augustine

on 2 June 2015

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#### Transcript of Phone a Friend

Graphs
Education
Thoughts
Experience
Conclusion
Hypothesis:
Nice outfit:
Mean: .75
Standard Deviation: .077
Mean:.28
Standard Deviation: .063
Binomial Distribution
p1=the proportion of people willing to lend their phone when person is dressed nicely

p2= the proportion of people willing to lend their phone when person is poorly dressed.

Null Hypothesis: p1=p2

Alternate Hypothesis: p1>p2

Will people be more willing to lend their phone to someone who is dressed nicely or dressed nicely?
Collected Data
: Random sample in in the mall. Asked every tenth person to pass.

Lauren collected 50 samples
Caroline collected 32 samples.

Why was it ethical?

How was it not biased?

What were we wearing?

Photos
PLATFORMS
Social
SOCIAL
AP
Stats
Phone a Friend
Eighth Hour Presents
By: Caroline Augustine and Lauren Hoyer
Graphs
Caroline
Lauren
We were asked to stop soon after.
Test: 2 Sample Proportion Test
Z score: 4.72
P Value: ˂ .0002

Test: 2 Sample Confidence Interval
Interval: .47.1949 = (.2751, .6649)

What did we learn?
P value < .0002
What does this lead us to believe?
What would we change?
-Number of samples
-More locations
-Get permission
Waiting for the next subject...
She said
"Yes!"
Waiting...
What that
taught us.
We reject the null!

Nicely dressed:

Yes: 24
No: 8
Non response: 0