Add long jump dataset

lecture_data/longjump.csv

@@ -0,0 +1,37 @@
+Year,Distance,Sex
+1948,7.82,Male
+1952,7.57,Male
+1956,7.83,Male
+1960,8.12,Male
+1964,8.07,Male
+1968,8.9,Male
+1972,8.24,Male
+1976,8.35,Male
+1980,8.54,Male
+1984,8.54,Male
+1988,8.72,Male
+1992,8.67,Male
+1996,8.5,Male
+2000,8.55,Male
+2004,8.59,Male
+2008,8.34,Male
+2012,8.31,Male
+2016,8.38,Male
+1948,5.7,Female
+1952,6.24,Female
+1956,6.35,Female
+1960,6.37,Female
+1964,6.76,Female
+1968,6.82,Female
+1972,6.78,Female
+1976,6.72,Female
+1980,7.06,Female
+1984,6.96,Female
+1988,7.4,Female
+1992,7.14,Female
+1996,7.12,Female
+2000,6.99,Female
+2004,7.07,Female
+2008,7.04,Female
+2012,7.12,Female
+2016,7.17,Female