PSYC 1090 Instructions: Please answer each question to the best of your ability. Be sure to answer all parts. Step One: Complete an independent-samples t-test by hand. The director of Academic Support Services wants to test the efficacy of a possible intervention for undergraduate students who are placed on academic probation. She randomly assigns 16 such students to two groups of eight. During the first week of the semester, students in Group 1 received daily instruction on specific strategies for learning and studying. Group 2 students spent the same time engaged in general discussion about the importance of doing well in college and the support services that are available on campus. At the end of the semester, GPA was measured. She wants to know if there is a difference in academic performance between the two interventions. The director obtains the following data