Examlex
TABLE 15-4
The superintendent of a school district wanted to predict the percentage of students passing a sixth-grade proficiency test.She obtained the data on percentage of students passing the proficiency test (% Passing) ,daily mean of the percentage of students attending class (% Attendance) ,mean teacher salary in dollars (Salaries) ,and instructional spending per pupil in dollars (Spending) of 47 schools in the state.
Let Y = % Passing as the dependent variable,X1 = % Attendance,X2 = Salaries and X3 = Spending.
The coefficient of multiple determination ( ) of each of the 3 predictors with all the other remaining predictors are,respectively,0.0338,0.4669,and 0.4743.
The output from the best-subset regressions is given below: Following is the residual plot for % Attendance:
Following is the output of several multiple regression models:
Model (I) : Model (II) :
Model (III) :
-Referring to Table 15-4,which of the following predictors should first be dropped to remove collinearity?
Partnership Creation
The formation of a partnership through the agreement of two or more individuals to carry on a business for profit as co-owners.
Accounting Partnership
A business arrangement where two or more individuals practice accounting together, sharing responsibilities, profits, and liabilities.
Legal Position
indicates an individual's or entity's standing or status in relation to the law, including rights, obligations, or liabilities.
Partnership
A business structure in which two or more individuals manage and operate a business in accordance with terms and objectives set out in a Partnership Agreement.
Q20: Referring to Table 15-4,the "best" model chosen
Q49: True or False: Referring to Table 17-11,the
Q73: Referring to Table 16-4,exponentially smooth the wine
Q93: If the plot of the residuals is
Q165: Referring to Table 16-13,what is the value
Q190: The sample correlation coefficient between X and
Q259: A dummy variable is used as an
Q270: True or False: Referring to Table 14-19,the
Q294: Referring to Table 14-12,predict the cost per
Q311: Referring to Table 14-4,at the 0.01 level