The following calculator screenshots show the scatterplot and the correlation coefficient between car weight and car length for a sample of 2009 model year cars. 
The relationship between "car length" and "car weight" can be described as
Definitions:
Gate Control Theory
A theory that suggests pain is not solely determined by physical injury but by a combination of physical and psychological factors that cause pain signals to be perceived by the brain.
Meditation
A practice of mindfulness or concentration, often used for relaxation, stress reduction, and personal growth.
Neuroregulators
Substances, such as neurotransmitters and neuromodulators, that regulate nervous system activity.
Culture
The cultivation of bacteria, tissue cells, or other living matter in a specifically prepared nutrient medium, often used for diagnostic or research purposes.
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