SCENARIO 14-15 the Superintendent of a School District Wanted to Predict

question 316

Multiple Choice

SCENARIO 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, = Salaries and Spending:
-Referring to Scenario 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, considering the effect of instructional spending per pupil?

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Definitions:

Monthly Sales

The total volume or amount of sales generated by a business or product within a month.

Years Of Experience

Years of experience refer to the length of time an individual has spent in a certain field or occupation, indicating their level of expertise.

T-Table Values

These refer to values derived from the t-distribution, used in hypothesis testing and confidence interval estimation.

Expected Value

The long-run average value of repetitions of an experiment it represents.