Computation Part I: 1. First Second Test Test 13 15 5 4 12 13 11 11 9 10 14 13 8 8 8 6 5. To measure the relationship between anxiety level and test performance, a psychologist obtain a sample of n = 6 college students from an introductory statistics course. The students are asked to come to laboratory 15 minutes before the final exam. In the lab, the psychologist records physiological measures of anxiety (heart rate, skin resistance, blood pressure, and so on) for each participant. In addition, the psychologist obtains the exam score for each participant. a. Compute the pearson correlation for the data. Create a scatter plot. b. Is there a significant relationship between anxiety and exam score? Use a two-tailed test with o = .05. Student Anxiety Exam Rating Score A 5 80 B 88 C 80 D 7 79 E 4 86 F 5 85 6. Assuming a two-tailed test with o = .05, how large a correlation is needed to be statistically significant for each of the following samples? a. A sample of n = 15 individuals b. A sample of n = 30 individuals C. A sample of n = 92 individuals d. A sample of n = 23 individuals