Motorcycle Fatalities a Traffic Consultant Has Analyzed the Factors That Affect

question 4

Essay

Motorcycle Fatalities
A traffic consultant has analyzed the factors that affect the number of motorcycle fatalities.She has come to the conclusion that two important variables are the number of motorcycle and the number of cars.She proposed the model (the second-order model with interaction),where y = number of annual fatalities per county,x₁ = number of motorcycles registered in the county (in 10,000),and x₂ = number of cars registered in the county (in 1000).The computer output (based on a random sample of 35 counties)is shown below: THE REGRESSION EQUATION IS S = 15.2 R−Sq = 47.2% ANALYSIS OF VARIANCE ​ ​
-{Motorcycle Fatalities Narrative} Test at the 1% significance level to determine if the x₁ term should be retained in the model.

---

Definitions:

Metabolism

Aggregate of all chemical processes that take place in living organisms and result in growth, generation of energy, elimination of wastes, and other functions concerned with the distribution of nutrients in the blood after digestion.

Temporal Artery Thermometer

A device used to measure body temperature by capturing the heat emitted by the temporal artery, located just beneath the skin of the forehead.

Radiant Temperature

The perceived temperature felt from the warmth or coolness of surfaces and objects in an environment, affecting thermal comfort.

Skin Moisture

Refers to the level of water content within the skin, which is essential for maintaining skin health and appearance.