A Researcher Wanted to Compare Eye Color Distributions of Babies

question 109

Multiple Choice

A researcher wanted to compare eye color distributions of babies born with a birth defect with babies who did not have the birth defect.26 babies with the defect were matched on gender,race,and age with 52 babies without the defect.The frequency of different eye colors as a function of the presence or absence of the defects was as follows:
Eye Color
Group Dark Medium Light
Defect 1 6 19
No Defect 15 13 24
The marginal frequencies for eye color are

• A)26 and 52
• B)16,19,43
• C)78
• D)156

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Definitions:

Physical Changes

Alterations in the physical state or properties of a substance or organism, usually observable.

Adults

People who have reached the age of maturity, typically associated with the completion of physical growth and the assumption of societal roles of responsibility.

30s

Likely refers to the decade of life from age 30 to 39, which can be significant in terms of career, family, and personal development, though it's not a standard psychological key-term without further context.

Generativity

The concern for establishing and guiding the next generation, often manifested through parenting or mentoring.