please answer these mcqs

Question 9 (1 point] A friend oeterrnlnes the null and alternative hypotheses for a two-sample comparison ofmeans, but cannot remember the correct symbols. She tells you that the alternative hypothesis is one sided. and that the second population is expected to have larger mean. What is the appropriate symbol to complete the alternative hypothesis: Ha: p1 p2. Question 10 [1 pointl The F-statistic is a ratio of two variances, and larger F-statistics are more likely to be statistically signicant. Using what you know of the ANOVA table and the F-statistic, which of the following is preferable to find a signicant result in an ANOVA? O Larger between-group variance 0 Larger within-group variance 0 Equivalent variance within and across groups 0 None of the above