2. Is the data set a balanced panel? Explain.

3. The index of political freedom/democracy is labeled Dem_ind. i. What are the minimum and maximum values of Dem_ind in the data set? What are the mean and standard deviation of Dem_ind in the data set? What are the 10th, 25th, 50th, 75th, and 90th percentiles of its distribution?

> describe( income) vors n mean sd median trimmed mad min max range skew kurtosis se country* 1 1369 97 .86 54.78 98.00 97.77 66.72 1.00 195.00 194.00 0.01 -1.13 1.48 year 2 1369 1982.43 12.47 1985.00 1982.84 14.83 1960.00 2000.00 40.00 -0.20 -1.12 0.34 dem_ind 3 1266 0.50 0.37 0.50 0.50 0.49 0.00 1.00 1.00 0.10 -1.52 0.01 log_gdppc 4 966 8.16 1.02 8. 14 8.15 1.25 5.77 10.45 4.67 0.06 -0.99 0.03 log_pop 5 1202 8. 67 1.87 8.75 8.71 1.61 3.71 14.00 10.29 -0.14 0.05 0.05 age_1 6 1268 0.37 0.09 0.41 0.38 0.08 0.15 0.52 0.37 -0.66 -0.97 0.00 age_2 7 1268 0.26 0.03 0.26 0 .26 0.02 0.19 0.36 0.18 -0.06 0. 41 0.00 age_3 8 1268 0.17 0.03 0. 17 9.17 0.03 0.09 0.36 0.27 1.21 2.93 0.00 age_4 9 1268 0.11 0.04 0. 10 0.11 0.02 0.06 0.22 0.16 0.89 -0.49 0.00 age_5 10 1268 0.08 0.05 0.06 0.08 0.02 0.02 0.24 0.22 1.12 -0.03 0.00 educ 11 780 4.43 2.86 4.00 4.25 3.24 0.04 12.18 12.14 0.47 -0.73 0.10 age_median 12 1214 22.40 6.47 19.30 21.56 3.71 14.40 39.70 25.30 0.96 -0.49 0.19 code 13 1369 103.72 59.12 103.00 103.15 72.65 1.00 211.00 210.00 0.07 -1. 11 1.60