COG ~ ) 28% [43 Safari File Edit View History Bookmarks Window Help SocialMedia Presentation Instruction learn-us-east-1-prod-fleet02-xythos.content.blackboardcdn.com C D G https://learn-us-east-1-prod-fleet02-xythos.content.bla. Pearson's r (Ch. 15) - Problem #1 - Google Se ments - 22/FA_PSYC 2210_31 Psychological Statis. Study Description Bellow are data from a correlational. Psychological Statistics (Fall 2022 - 31) Homework 9 (Chapter 15) - Problem 1 Pearson's r (Ch. 15) - Problem #1 Study Description Bellow are data from a correlational study exploring the relationship between hours spent studying and errors made on an exam. n = 5 students participated. For each participant, the number of hours spent studying for an exam, and the number of errors made on the exam are recorded below. Conduct a Pearson's r, with alpha set at 0.05 (two-tails), to determine if there is a relationship between hours spent studying and errors made on the exam. Table Person Hours (X) Exam Errors (Y) Y 2 XY A 4 - UNW 7 EX = EX2 _ EY = EY? = EXY = Scatter Plot F4 F5 DII DD F6 E7 FB $ % & Q W E RView History Bookmarks Window Help GO GET 28% SocialMedia Presentation Instructions ~ h G learn-us-east-1-prod-fleet02-xythos.content.blackboardcdn.com C _2210_31 Psychological Statis.. https://learn-us-east-1-prod-fleet02-xythos.content.bla... Study Description Bellow are data from a correlational. Pearson's r (Ch. 15) - Problem #1 - Go r Plot CO LO 0 2 3 4 5 6 X 80 868 F4 F5 DII DD F6 F7 A E8 F9 F10 & 8 9Safari File Edit View History Bookmarks Window Help SocialMedia Presentation Instructions ~ . . h G learn-us-east-1-prod-fleet02-xythos.content.blackboardcan.com Assignments - 22/FA_PSYC-2210_31 Psychological Statis... https://learn-us-east-1-prod-fleet02-xythos.content.bla... Study Description Bellow are data from a correlational... Pearsons r . SP = EXY - EXCY n . SS. = EX? _ (EX)2 n . SS, = LY 2 _ ( [ Y)2 in SP . r = TSSISSy Critical Value of r . Critical Value (Table B.6 p. 709) df = n - 2 Conclusion esc F3 898 F4 F5 F6 F7 DD FB % 6 8 9 Q W m RSafari File Edit View History Bookmarks Window Help DOG ? ) 29% [4] Fri 9:41 P SocialMedia Presentation Instructions ~ h G learn-us-east-1-prod-fleet02-xythos.content.blackboardcdn.com C Pearson's r (Ch. 15) - Problem #1 - Google Search ts - 22/FA_PSYC-2210_31 Psychological Statis... https://learn-us-east-1-prod-fleet02-xythos.content.bla.. Study Description Bellow are data from a correlational. 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 r, with alpha set at 0.05 (two-tails), to determine if there is a relationship between anxiety level and test performance. . Table Person Anxiety (X) X 2 Exam Grades (Y) Y2 XY 72 75 WanLIN 72 80 75 EX = EX? = EY = EY? = EXY = Scatter Plot HEALTH known.j 78 79 80 81 Unkn 80 888 F6 F7 DII DD FB F9 F10 F11 & 8 9 O W R T USafari File Edit Vi View History Bookmarks Window Help OGE ~ () 29% SocialMedia Presentation Instructions ~ G learn-us-east-1-prod-fleet02-xythos.content.blackboardcdn.com Assignments - 22/FA_PSYC-2210_31 Psychological Statis... https://learn-us-east-1-prod-fleet02-xythos.content.bla... Study Description Bellow are data from a correlational.. Pearson's r (Ch. 15) - Problem #1 - Goog Pearsons r . SP = C XY - EXEY n . SS. = EX2 _ (x)2 n . SS, = EY? _ (x)? n . r = SP VSSISSY Critical Value of r . Critical Value (Table B.6 p. 709) df = n - 2 Conclusion F2 20 898 FA F6 F7 DD F10 F11 # & 4 5 6 8 9 Q W E R T Y O P S D G