I just want the correct answer please

Question 9 (1 point) If the cutoff Z score on the comparison distribution is +1.64 and the sample Z score is -1.65, the correct decision is to OOOO accept the research hypothesis. fail to reject the null hypothesis. fail to accept the research hypothesis. reject the null hypothesis. Question 10 (1 point) 2 13 All of the following are advantages of factorial designs EXCEPT more than one grouping variable can be considered in the same study. 15 they are more efficient. I they automatically provide an indicator of effect size for the measured variable. the combined influences of variables can be studied. 17 18 Next Page Page 2 of 8