Research Question: Is there a difference in VO2max [mL/(kg*min)] between Olympic rowers and Olympic cross-country skiers? Design: A sample of 20 Olympic rowers and 20 Olympic cross-country skiers were recruited. Each individual performed a single VO2max test. Shapiro-Wilk test Olympic rowers: p = 0.44 Olympic cross-country skiers: p = 0.27 Levene's test: p = 0.34

From the information given above, which test would be used? (a) Independent t-test (b) Mann-Whitney U test (c)Paired t-test (d)Wilcoxon signed the rank test