Professor Bert Forman believes the students who complete his examinations in the
Chapter 0, Problem 40(choose chapter or problem)
Professor Bert Forman believes the students who complete his examinations in the shortest time receive the highest grades and those who take the longest to complete them receive the lowest grades. To verify his suspicion, he assigns a rank to the order of finish and then grades the examinations. The results are shown below: Order of Score Order of Score Student Completion (50 possible) Student Completion (50 possible) Gromney 1 48 Smythe 7 39 Bates 2 48 Arquette 8 30 MacDonald 3 43 Govito 9 37 Sosa 4 49 Gankowski 10 35 Harris 5 50 Bonfigilo 11 36 Cribb 6 47 Matsui 12 33 Convert the test scores to a rank and find the coefficient of rank correlation. At the .05 significance level, can Professor Forman conclude there is a positive association between the order of finish and the test scores?
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