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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
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| Questions Answered: | 66690 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
40.  Professor Bert Forman believes the students who complete his examinations in the short- est 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:
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|
 Student |
Order of Completion |
Score (50 possible) |
 |
 Student |
Order of Completion |
Score (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 |
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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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