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. 
{Car Speed and Gas Mileage Narrative} Predict with 99% confidence the gas mileage of a car traveling 55 mph.
Definitions:
Daytime Fatigue
A condition characterized by excessive tiredness or lack of energy during the day, which can affect individuals' daily activities.
Work Hours
The scheduled period during which an individual is expected to perform tasks related to their job.
Subjective Data
Information gathered from patient reports and narratives, including personal experiences, symptoms, and perceptions, crucial for healthcare assessments.
Discharge
The release of fluid, pus, or other materials from a body part, often indicating an infection or healing process.
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