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TABLE 17-9
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.
The coefficient of partial determination (
)of each of the 5 predictors are,respectively,0.0380,0.4376,0.0248,0.0188,and 0.0312.
The coefficient of multiple determination for the regression model using each of the 5 variables Xj as the dependent variable and all other X variables as independent variables ( )are,respectively,0.7461,0.5676,0.6764,0.8582,0.6632.
-Referring to Table 17-9,what is the p-value of the test statistic to determine whether HP makes a significant contribution to the regression model in the presence of the other independent variables at a 5% level of significance?
General Yi Seong-gye
A Korean military leader who founded the Joseon Dynasty in 1392, after overthrowing the Goryeo Dynasty, under his rule as King Taejo.
Northeastern Korea
A region in Korea known for its distinct cultural and historical heritage, as well as its natural beauty, including mountains and landscapes unique to the area.
Yang
In Chinese cosmology, the principle of active masculine energy, which permeates the universe in varying proportions with yin, the principle of passive feminine energy.
Active Masculine Energy
A concept generally referring to qualities associated with traditional masculinity, such as strength, assertiveness, and leadership.
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