LAB 1 –Mohammed Abdo
1.Analyze and discuss the results shown in the Statistics table (including definitions of the following statistical measures: Mean, Std. Error of Mean, Median, Mode, Std. Deviation, Variance, Skewness, Std. Error of Skewness, Kurtosis, Std. Error of Kurtosis, Range, Percentiles) (15%) Statistics | | Variable 1Life expectancy at birth (years), 2006 | Variable 2 Adult literacy rate (% aged 15 and above), 2006 | Variable 2 Combined gross enrolment ratio in education (%), 2006 | Variable 4GDP per capita (PPP US$), 2006 | N | Valid | 179 | 172 | 179 | 179 | | Missing | 1 | 8 | 1 | 1 | Mean | 67.7291 | 83.8767 | 71.5654 | 12258.81 | Std. Error of Mean | .80424 | 1.44937 | 1.33369 | 1066.857 | Median | 71.3000 | 91.2000 | 73.5000 | 6679.00 | Mode | 71.30a | 99.90 | 59.60a | 630a | Std. Deviation | 10.76001 | 19.00828 | 17.84362 | 14273.577 | Variance | 115.778 | 361.315 | 318.395 | 203735005.245 | Skewness | -.901 | -1.378 | -.470 | 1.811 | Std. Error of Skewness | .182 | .185 | .182 | .182 | Kurtosis | -.168 | 1.156 | -.040 | 3.633 | Std. Error of Kurtosis | .361 | .368 | .361 | .361 | Range | 42.20 | 77.10 | 88.70 | 76808 | Minimum | 40.20 | 22.90 | 25.50 | 281 | Maximum | 82.40 | 100.00 | 114.20 | 77089 | Percentiles | 10 | 50.1000 | 54.3300 | 45.1000 | 888.00 | | 20 | 57.8000 | 69.6200 | 57.3000 | 1592.00 | | 25 | 62.0000 | 73.7500 | 60.8000 | 1965.00 | | 30 | 64.5000 | 80.0500 | 63.2000 | 2489.00 | | 40 | 68.8000 | 87.5200 | 70.6000 | 4311.00 | | 50 | 71.3000 | 91.2000 | 73.5000 | 6679.00 | | 60 | 72.6000 | 94.6000 | 77.6000 | 9737.00 | | 70 | 74.1000 | 97.8000 | 80.2000 | 13362.00 | | 75 | 75.3000 | 99.1500 | 82.7000 | 17642.00 | | 80 | 76.9000 | 99.6000 | 88.1000 | 22004.00 | | 90 | 79.2000 | 99.9000 | 94.3000 | 34056.00 |

The mean is the sum of all observations (values)