08. Both the t-test and ANOVA are commonly used to test whether Ya O b. - O d. the means of two groups (indicated by a nonmetric variable) differ on single metric variable the means of two groups (indicated by a metric variable) differ on single nonmetric variable the means of more than two groups (indicated by a metric variable) differ on single metric variable the means of two groups (indicated by a metric variable) differ on multiple metric variable 09. ANOVA could be used to compare whether the means of groups are equivalent on some variable. LIy QO b. o two three four all of the above 10. MANOVA could be used to compare whether the means of groups are equivalent on variables. () a. two, nonmetric (O b. three, nonmetric O . four, metric O d. all of the above