Dr Samways Is Interested in the Relationship Between Education Level

question 361

Multiple Choice

Dr. Samways is interested in the relationship between education level and annual income. He randomly selects 5000 Canadians and collects information about their highest completed education and last year's income. He then calculates a correlation coefficient, and finds that the correlation between education and income is + .78. On the basis of this correlation we can conclude that

• A)there is no relationship between education and income
• B)as education increases income also increases
• C)as education increases income decreases
• D)higher education causes higher income
• E)as education increase income also increases AND higher education causes higher income

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Definitions:

Down Syndrome

Chromosomal abnormality resulting in intellectual impairment and other abnormalities, usually caused by an extra chromosome 21.

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A condition characterized by a decrease in the size or density of the cerebral cortex, often associated with aging or neurodegenerative diseases.

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Dendritic arborization refers to the complex branching pattern of dendrites in neurons, which allows for the reception of signals from other neurons and is crucial for neural connectivity and communication.

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Non-neuronal cells in the central and peripheral nervous system that provide support and protection for neurons, also playing a role in signal transmission.