A researcher wants to compare the testosterone levels among athletes in four sports:

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