For a Random Sample of 30 Countries, the Linear Correlation

question 14

Essay

For a random sample of 30 countries, the linear correlation coefficient between the infant mortality rate and theaverage number of cars per capita was found to be r = -0.717. What does this imply? Does this suggest that ifpeople buy more cars, this could lower the infant mortality rate? Why or why not? What is a likely lurkingvariable?

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Definitions:

Interneurons

Neurons that transmit impulses between other neurons, especially as part of reflex arcs or neural networks.

Sympathetic Nervous System

part of the autonomic nervous system that prepares the body for rapid action in emergencies; "fight or flight" response.

Blood Sugar Levels

The concentration of glucose present in the blood, crucial for maintaining energy levels and overall health.

Pupils

The round, black openings in the center of the irises of the eyes that regulate the amount of light that enters.