Car Speed and Gas Mileage: An economist wanted to analyze the relationship between the speed of a car (x) and its gas mileage (y). As an experiment a car is operated at several different speeds and for each speed the gas mileage is measured. These data are shown below.
-What does the coefficient of correlation tell you about the direction and strength of the relationship between the two variables?
Definitions:
Preterm Infants
Those born before the completion of 37 weeks of gestation (the time between fertilization and birth).
Tiffany Field
A psychologist known for her research on touch, particularly in the context of massage therapy and its effects on physical and psychological development.
Low-Birth-Weight Infants
Newborns whose weight at birth is less than 2,500 grams (5 pounds, 8 ounces), often due to premature birth or nutritional deficiencies during pregnancy.
Apgar Scale
A quick test performed on a newborn at 1 and 5 minutes after birth to assess their physical condition and determine any immediate need for extra medical or emergency care.
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