AutoSave . OFF AH ?CG9 ... Lab+Assignment+4+PSY138+Fall2021 - Saved to my Mac Home Insert Draw Design Layout References Mailings Review View Acrobat Table Design Layout 9 Tell me Share Comments Calibri (Bo... v 11 A" A Aa Ap EVEVEVEE 24 1 AaBbCcDdEe AaBbCcDdEe AaBbCcDc AaBbCcDdEE Styles Dictate Editor Create and Share Request Paste BIUvab X x A LA Normal No Spacing Heading 1 Heading 2 Pane Adobe PDF Signatures a) df = b ) SD = _ c) SMD (standard error of the mean difference) = d) tobs = e) terit= Find in t table, on RN f) Reject / fail to reject the null hypothesis? E + 120% Page 3 of 3 434 words x English (United States) FocusAutoSave . OFF AH ? CG9 ... Lab+Assignment+4+PSY138+Fall2021 - Saved to my Mac Home Insert Draw Design Layout References Mailings Review View Acrobat Table Design Layout 9 Tell me Share Comments Calibri (Bo... v 11 A" A Aa Ap 24 1 AaBbCcDdEe AaBbCcDdEe AaBbCcDc AaBbCcDdEE Normal No Spacing Heading 1 Heading 2 Styles Dictate Editor Create and Share Request Paste BIUvab x X A DAY Pane Adobe PDF Signatures 2. A professor wants to know how effective their teaching style is to make adjustments if necessary, so they administered a pretest of class content on the first day of class, then the same test again during midterms. The test was out of 15 points, and the scores from both the pretest and posttest are in the table below. Is there evidence to suggest that their teaching style is making a difference in students' understanding of the class content? Use a = .05. a. Complete the hypotheses for this question: Ho: HD. H1: HD. Use the table below to conduct a related samples t-test by hand. Student Pretest | Posttest D: X2 - X1 D - XD (D - XD)2 (X1 ) (X2 A 18 12 B 5 11 C 8 19 D 10 18 E 7 13 XD =_ SSD = Page 3 of 3 Calculate the following statistics and report them to two decimal places. SHOW YOUR WORK! a) df = Page 2 of 3 434 words Focus E + 120% X English (United States)