A researcher wants to compare the testosterone levels among athletes in four sports: soccer, track, Lacrosse, and water polo. A sample is drawn in the following manner with total sample size was n =30 (10 soccer, 10 track, 5 Lacrosse, and 5 water polo).
A) t-test about a mean with a one-sided alternative
B) t-test about a mean with a two-sided alternative
C) Two-sample t-test with a two-sided alternative
D) Two-sample t-test with a one-sided alternative
E) Regression
F) Chi-square test
G) One-way Analysis of Variance (ANOVA)
H) Z-test about a proportion