SCENARIO 18-8
the Superintendent of a School District Wanted to Predict

question 125

True/False

SCENARIO 18-8
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.
Following is the multiple regression output with Y = % Passing as the dependent variable, X₁ =% Attendance, X ₂ = Salaries and X₃ = Spending:

-Referring to Scenario 18-8,you can conclude that mean teacher salary individually has no impact on the mean percentage of students passing the proficiency test,considering the effect of all the other independent variables,at a 1% level of significance based solely on the 95% confidence interval estimate for $\beta$ ₂ .

Comprehend the relationship between international trade and the production possibility curve.

Understand the concept of comparative advantage and its application in international trade.

Comprehend the implications of specialization and trade for global economies.

Grasp the benefits of free trade and the negative impacts of trade restrictions.

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