Below Is a Partial Multiple Regression Computer Output Based on a Quadratic

question 163

Essay

Below is a partial multiple regression computer output based on a quadratic regression model to predict student enrollment at a local university.The dependent variable is the annual enrolment given in thousands of students,the independent variable X is the increase in tuition stated in thousands of dollars per year,and X² is the square of tuition increase given in squared thousands of dollars per year.
Interpret β₀(the y intercept)and β₁(the β coefficient for the X variable).Does the parabola open upward or downward? Why?

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