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Does Natural Hair Color Affect Eye Color?
The Test:
The Results:
Chi-squared test for independence.
The Graphs:
X2 = 37.0163
p = 2.6143 E-5
HO: Natural hair color and eye color are independent.
HA: Natural hair color and eye color are dependent.
The Question:
Conclusion:
Is a person’s eye color dependent on his or her natural hair color?
The evidence supports a rejection
of the null hypothesis. The data strongly
supports the claim that hair color and eye
color are dependent.
The Data:
The Sample:
100 random students at DAHS.
Confounding
Variables:
Choose one:
*Blue
*Green
*Brown
*Hazel
Choose one:
*Red
*Black
*Brown
*Blonde
Geographical location/
ethnicity