1. Under what circumstances are post hoc tests necessary after an ANOVA? a. When Ho is rejected b. When there are more than two treatments c. When Ho is rejected and there are more than two treatments d. You always should do post hoe tests after an ANOVA. 2. Which combination of factors is most likely to produce a large value for the F-ratio and a large value for n a. Large mean differences and large sample variances b. Large mean differences and small sample variances c. Small mean differences and large sample variances d. Small mean differences and small sample variances