A Researcher Conducts a One-Way Within-Subjects ANOVA in Which K $\omega$

Multiple Choice

A researcher conducts a one-way within-subjects ANOVA in which k = 3 and n = 10.She computes SS_BG = 120,SS_E = 198,and SS_T = 518.What is the effect size for this test using $\omega$ ²?

A) .637
B) .377
C) .298
D) there is not enough information to answer this question