(Problem Set Ch10 Q2&3) Please answer both questions.

1 Normal 1 No Spac... Heading 1 Heading 2 Title Styles raph Problem Set: Chapter 10 The t Test for Two Independent Samples Back to Assignment Attempts Keep the Highest / 1 2. Identifying the independent-measures design Which of the following experiments uses independent samples? You want to compare the mean Hamilton depression scores of a random sample of teenage girls who attend a weeklong self-image camp to the known mean Hamilton score for teenage girls. You want to compare the mean SAT score of students who take a new SAT preparation course to that of students who don't take an SAT preparation course. So you compare the mean SAT score of a randomly selected group of students who took a new SAT preparation course to the mean SAT score of a randomly selected group of students who didn't take an SAT preparation course. You want to compare the mean SAT scores of students before and after they complete a new SAT preparation course. So you compare the mean SAT scores of a randomly selected group of students before and after they completed a new SAT preparation course. Problem Set: Chapter 10 The t Test for Two Independent Samples Back to Assignment Attempts Keep the Highest / 1 3. Null hypotheses for an independent-measures t test Which of the following null hypotheses is appropriate for an independent-measures t test? O Ho: H1 - 2 = 0 O Ho: H 2 0 O Ho: [1 - H2 # 0 O Ho: H