Solve for $12,001\" . Assume that group 1 contains 15 people, group 2 contains 18 people, the estimated variance for group 1 is 20 and the estimated variance for group 2 is 18. For your final answer, round to the nearest whole number. For which of the following research questions should you use a t-test for dependent means? @ Does average heart rate in Northern Arizona differ from average heart rate in Southern Arizona? 0 Does heart rate increase after running a mile? Q Are men's heart rates higher than women's heart rates? Q Is there an association between love of running and heart rate? Imagine a guest lecture is being given in a Psychology class. One sample was told that the guest lecturer was incredibly brilliant and famous. The other students were told nothing. After the lecture, students rated how well the guest lecturer did. The students who were told the guest lecturer was brilliant and famous gave an average rating of 15. The students not told anything gave an average rating of 12. The population's standard deviation was 3. What is the effect size for this study