An instructor for a test preparation course claims that the course will improve the test scores of students. The table shows the critical reading scores for 14 students the first two times they took...

Extracted text: An instructor for a test preparation course claims that the course will improve the test scores of students. The table shows the critical reading scores for 14 students the first two times they took the test. Before taking the test for the second time, the students took the instructor's course to try to improve their critical reading test scores. At a = 0.01, is there enough evidence to support the instructor's claim? Complete parts (a) through (f). Student 7 89 10 11 12 13 14 e 635 543 475 381 498 454 495 496 529 408 508 477 404 607 Score on second test 637 594 526|418 442 465 478 599 599 459 519 506 447 630 1 2 3 4 5 Score on first test Taentiry tne rejection region(s). Cnoose tne correct answer peiow. O A. t< -="" 2.650="" or="" t=""> 2.650 O B. t< -="" 2.650="" o="" c.="" t="">3.012 O D. t< -="" 3.012="" or="" t=""> 3.012 (c) Calculate d and sa (Type an integer or a decimal. Round to three decimal places as needed.) Çalculate sa- Sa =

0 O B. Ho: Ha 2d H3: Ha <0 h3:="" ha="0" (b)="" find="" the="" critical="" value(s)="" and="" identify="" the="" rejection="" region(s).="" to="/>
Extracted text: An instructor for a test preparation course claims that the course will improve the test scores of students. The table shows the critical reading scores for 14 students the first two times they took the test. Before taking the test for the second time, the students took the instructor's course to try to improve their critical reading test scores. At a = 0.01, is there enough evidence to support the instructor's claim? Complete parts (a) through (f). 5 6 7 8 9 10 11 12 13 14 e 1635 543 475 381 498 454 495 496 529 408 508 477 404 607 Score on second test 637 594 526 418 442 465 478 599 599 459 519 506 447 630 Student 1 23 4 Score on first test (a) Identify the claim and state H, and Ha. The claim is " the="" students'="" critical="" reading="" test="" scores="" v="" the="" second="" time="" they="" took="" the="" test."="" let="" h,="" be="" the="" hypothesized="" mean="" of="" the="" students'="" first="" score="" minus="" their="" second="" score.="" state="" ho="" and="" h,.="" choose="" the="" correct="" answer="" below.="" o="" a.="" ho:="" ha="" s0="" ha:="" ha=""> 0 O B. Ho: Ha 2d H3: Ha <0 h3: ha = 0 (b) find the critical value(s) and identify the rejection region(s). to = h3:="" ha="0" (b)="" find="" the="" critical="" value(s)="" and="" identify="" the="" rejection="" region(s).="" to="">