It has been estimated that the G-car obtains a mean of 40 miles per gallon on the highway, and the company that manufactures the car claims that it exceeds this estimate in highway driving. To support its assertion, the company randomly selects 36 G-cars and records the mileage obtained for each car over a driving course similar to that used to obtain the estimate. The following data resulted: 
miles per gallon, s=6 miles per gallon. Calculate the value of 
if the true value of the mean is really 42 miles per gallon. Use 
Definitions:
Internal Organs
Organ systems located within the body and responsible for various vital functions, such as the heart, liver, and kidneys.
Internist
A physician specializing in the diagnosis and medical treatment of adults.
Pediatrician
A pediatrician is a medical doctor specializing in the care and treatment of children's diseases and health issues.
Bacterial Infection
A harmful colonization of the body by bacteria, leading to illness, inflammation, and tissue damage.
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