The population of interest here is the finishers of the 2019 Covenant Health Knoxville Marathon, the parameter of interest is the difference of means of finishing time in minutes of the runners based on whether they lived near Knoxville or not.

Oneway Analysis of FINISH TIME By GENDER 450 400 FINISH TIME (minutes) 350 300 . . .. 250 200 150 F M GENDER Quantiles Level Minimum 10% 25% Median 75% 90% Maximum F 196.9833 214.3283 254.5417 289.8167 323.7 370.1183 445.6167 M 178.6667 199.1383 226.4625 252.925 278.3 327.2683 366.9667 t Test M-F Assuming unequal variances Difference -37.784 t Ratio -2.48156 Std Err Dif 15.226 DF 33.32534 Upper CL Dif -12.024 Prob > It| 0.0183* Lower CL Dif -63.545 Prob > t 0.9909 Confidence 0.9 Prob