Question

Refer to the table of estimated regressions below, computed using data for 1999 from all 420 K-6 and K-8 districts in California, to answer the following question. The variable of interest, test scores, is the average of the reading and math scores on the Stanford 9 Achievement Test, a standardized test administered to fith-grade students. School characteristics average across the district include enrollment, number of teachers measured as ? 11 time equivalents" number o computers per classroom, and expenditure per student. Results of Regressions of test scores on the Student-Teacher Ratio and Student Characteristic Contro Variables Using California Elementary School Districts. Dependent variable: average test score in the district Regressor Student-teacher ratio (x1) 2.781.39* Percent English learners (2) Percent elegible for subsidized lunch (K3) 1.23 1.03*1.26 (0.56) (0.46) (0.23) (0.34) (029) -0.697*0.114-0.451*0.152 (0.034) (0.031) (0.039) (0.037) 0.537 0.037) -0.558 (0.024)

Answer 1