Answer Happy

please show all steps. I am trying to practice for final
9. When do you use the pooled t-test; when do you use the to-test? 10. What are the key words that tell you to do the following test? A: what are the key words that tell you to do a Chi-Square Goodness of Fit test? B: what are the key words that tell you to do a CR-k design test? C. what are the key words that tell you to do a RB-k test? D: what are the key words that tell you to do a Chi-Square test of independence? 11. When do we create Bonferroni Cl's? Briefly describe how you create a Bonferroni CI. 12. When do we do Tukey's test? Briefly describe how you perform Tukey's test. 13. What is the goal of hypothesis testing? 14. What is the goal of a confidence interval?