TABLE 14-16 What Are the Factors That Determine the Acceleration Time (In

question 306

True/False

TABLE 14-16
What are the factors that determine the acceleration time (in sec.) from 0 to 60 miles per hour of a car? Data on the following variables for 171 different vehicle models were collected:
Accel Time: Acceleration time in sec.
Cargo Vol: Cargo volume in cu. ft.
HP: Horsepower
MPG: Miles per gallon
SUV: 1 if the vehicle model is an SUV with Coupe as the base when SUV and Sedan are both 0
Sedan: 1 if the vehicle model is a sedan with Coupe as the base when SUV and Sedan are both 0
The regression results using acceleration time as the dependent variable and the remaining variables as the independent variables are presented below.

The various residual plots are as shown below.






-Referring to 14-16, there is enough evidence to conclude that SUV makes a significant contribution to the regression model in the presence of the other independent variables at a 5% level of significance.

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Definitions:

Gastrocnemius

A major calf muscle that's involved in walking, running, and jumping, contributing to the plantar flexion of the foot at the ankle.

Soleus

A powerful muscle in the lower leg that is involved in standing and walking; it runs from just below the knee to the heel.

Extensor Digitorum Longus

A muscle in the leg that helps to extend the toes and dorsiflex the foot.

Orbicularis Oris

A complex of muscles in the lips that encircles the mouth, controlling movements such as closing and puckering.