Using the California School Data Set from Your Textbook,you Run

question 19

Essay

Using the California School data set from your textbook,you run the following regression: = 698.9 - 2.28 STR
n = 420,R2 = 0.051,SER = 18.6
where TestScore is the average test score in the district and STR is the student-teacher ratio.Using heteroskedasticity robust standard errors,you find while choosing the homoskedasticity-only option,the standard error is 0.48.
a.Calculate the t-statistic for both standard errors.
b.Which of the two t-statistics should you base your inference on?

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