This Question: 1 pt 5 01 6 (0 complete) This Test: 6 pts possible Question Help 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 (1). Student 1 2 3 4 5 6 7 8 9 10 11 12 13 142 Score on first test 414 389 415 353 549 544 568 583 515 623 452 408 636 636 Score on second test 420 478 470 365 497 579 562 687 579 696 489 451 652 651 (Type an integer or a decimal. Round to three decimal places as needed.) (d) Use the t-test to find the standardized test statistic t. (Type an integer or a decimal Round to three decimal places as needed) (e) Decide whether to reject or fail to reject the null hypothesis Choose the correct answer below O Reject the null hypothesis O Fail to reject the null hypothesis (f) interpret the decision in the context of the original claim. Choose the correct answer below. O A. The sample was not large enough to make a conclusion. Q B. At the 1% significance level, there is evidence that the students' critical reading scores got worse the second time they took the test. () C. At the 1% significance level. there is enough evidence that the students' critical reading scores improved the second time they took the test D. At the 1% significance level, there is not enough evidence that the students' critice reading scores improved the second time they took the test Click to select your answer S). O Hi