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Transcript

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

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