TABLE 14-15
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) ,mean teacher salary in thousands of dollars (Salaries) ,and instructional spending per pupil in thousands of dollars (Spending) of 47 schools in the state.
Following is the multiple regression output with Y = % Passing as the dependent variable,X1 = Salaries and X2 = Spending: 
-Referring to Table 14-15,which of the following is the correct alternative hypothesis to test whether mean teacher salary has any effect on percentage of students passing the proficiency test,taking into account the effect of instructional spending per pupil?
Definitions:
SAM
Stands for Serviceable Available Market, which is the portion of the Total Available Market (TAM) that can be served by a company's products or services.
SOM
An abbreviation that can refer to various concepts, depending on the context; one example is "Self-Organizing Map," a type of artificial neural network.
SOM
The subset of the Serviceable Available Market that an organization can expect to reach, considering factors like competition and market readiness.
SAM
An abbreviation for Serviceable Available Market, which is the portion of the Total Available Market that can actually be reached by a company.
Q27: True or False: Referring to Table 13-12,you
Q65: Referring to Table 14-5,one company in the
Q72: True or False: Referring to Table 13-10,it
Q95: Referring to Table 15-1,what is the p-value
Q110: Referring to Table 12-9,which test would be
Q123: Referring to Table 16-13,if a five-month moving
Q129: Referring to Table 14-5,the observed value of
Q167: Referring to Table 14-13,holding constant the effect
Q172: True or False: Referring to Table 12-11,the
Q258: True or False: In a particular model,the