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Homework answers / question archive / (5 points) Using the data, the following equation is estimated for the fall and second semester students: (5 points) Using the data, the following equation is estimated for the fall and second semester students: where trmgpa is term GPA, crsgpa is a weighted average of overall GPA in courses taken, sat is SAT score and hsperc is graduating percentile in high school class (defined so that, for example, hsperc=5 means the top five percent of the class)

for the fall and second semester students: (5 points) Using the data, the following equation is estimated for the fall and second semester students:

where trmgpa is term GPA, crsgpa is a weighted average of overall GPA in courses taken, sat is SAT score and hsperc is graduating percentile in high school class (defined so that, for example, hsperc=5 means the top five percent of the class).

-Dropping sat and hsperc from the equation gives

Are sat and hsperc jointly significant in the original equation at the 5% level? Show your work.

in a college town. Using the data, the following equation is obtained by OLS:

where rent is the average monthly rent paid on rental units in a college town in the United States, pop is the total city population, avginc is the average city income, and pctstu is the student population as a percentage of the total population.

-Dropping avginc and pctstu from the equation gives

Are avginc and pctstu jointly significant in the original equation at the 1% level? Show your work.