Thank you

Psychological Statistics (Spring 2021 - 32) Homework 9 (Chapter 15) - Problem 2 Pearson's r (Ch. 15) - Problem #2 Study Description Bellow are data from a correlational study exploring the relationship between anxiety level and test performance. A total of n = 5 students participated. The participants are asked to come to the laboratory 15 minutes before the final exam. For each participant, the psychologist records a physiological measure of anxiety. In addition, the psychologist obtains the exam score for each participant. Conduct a Pearson's , with alpha set at 0.05 (two-tails), ho to determine if there is a relationship between anxiety level and test performance. Table Person Anxiety (X) Exam Grades () muna > tua itin Scatter Plot ol ka 71 72 73 74 75 76 77 78 79 80 81 2 3 5 6 7 X Pearsons r cho . SP = EXY - EXEr . SS, = EX? _ (Ex . SS, = >Yz _ Er Critical Value of r . Critical Value (Table B.6 p. 709) df = n - 2 Conclusion