[Stata Program] input y x 0294 030 0247 032 0267 037 0358 044 0423 047 0311 049 0450 056 0534 062 0438 068 0697 078 0688 080 0630 084 0709 088 0627 097 0615 100 0999 109 1022 114 1015 117 0700 106 0850 128 0980 130 1025 160 1021 097 1200 180 1250 112 1500 210 1650 135 end plot y x generate sqrty = sqrt(y) plot sqrty x [Stata Output] plot y x 1650 + | * | | | * | | | * | * | y | * *** * | * | * | | * * * | * * * | * | * | * * * | * 247 + * * * +----------------------------------------------------------------+ 30 x 210 generate sqrty = sqrt(y) plot sqrty x 40.6202 + | * | | * | | | * * | s | * *** * q | * r | * t | y | * * * | * * | * | * | * | * * | * | * * 15.7162 + * * +----------------------------------------------------------------+ 30 x 210