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 fifth-grade students. School characteristics (average across the district) include enrollment, number of teachers (measured as "full-time equivalents"), number of computers per classroom, and expenditure per student. Results of Regressions of test scores on the Student-Teacher Ratio and Student Characteristic Control Variables Using California Elementary School Districts Dependent variable: average test score in the district. Regressor Student-teacher ratio (X1) Percent English learners (X2) Percent elegible for subsidized lunch (X3) Percent on public income assistance (X4) Intercept - 2.55*-1.48 (0.56 (0.48) 1.431.31*1.27 (0.29) (0.39) (0.22) - 0.616*-0.134** -0.409**-0.124 (0.035) 0.034) (0.038) 0.037) -0.591 (0.027) -0.531 (0.035) 0.7210.046 (0.061 (0.051) 695.96984 701.9* 691.8** 682.3 (5.7) (6.2) (8.9) 14.36 0.465 (5.2) 9.28 0.719 Summary statistics and Joint Tests SER 18.69 9.34 R2 0.043 493 0.708 493 0.612 493 493 493 These regressions were estimated using data on K-8 school districts in California. Heteroskedastic-robust standard errors are given in parentheses under coefficients. The individual coefficient is statistically significant at the *5% level or ** 1% significance level using a two-sided test Compute the R2 for each of the regressions 1. The R2 for the regression in column (1) is: 2. The R2 for the regression in column (2) is: 3. The R2 for the regression in column (3) s: 4. The R2 for the regression in column (4) is 5. The R2 for the regression in column (5) is: Round your response to three decimal places) Enter your answer in the edit fields and then click Check Answer

Answer 1

	n	k	R^2_adjusted	R^2
1	493	1	0.043	0.045
2	493	2	0.465	0.467
3	493	3	0.708	0.710
4	493	3	0.612	0.614
5	493	4	0.719	0.721

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