A social scientist measured the number of years of education of a random group of people and asked them their income. The scientist then found that the longer the education, the higher the income. 
Definitions:
Defective
Refers to something that is flawed or lacking in functionality.
Experience-Dependent
Describes neural growth that is stimulated by environmental experiences and may vary from one individual to another.
Synaptogenesis
The generation of synapses or connections between neurons, usually as a result of the growth of axons and dendrites.
Environmental Events
Occurrences in the natural or built environment that can influence the lives of individuals, communities, and ecosystems, such as natural disasters, pollution, and urban development.
Q19: Define normal curve.
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