What is the value of r? a) 0.8620 b) -0.8620 c) 0.9236 d) -0.927 e) 0.927 f) -0.9236
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
A statistic teacher recorded the Math and Science test scores of twelve students from one section. Using 0.05 as the level of significance, is there a significant relationship between the test scores in Mathematics and Science?
| Student number | Math Scores (X) | Science Scores (Y) |
| 1 | 18 | 20 |
| 2 | 16 | 18 |
| 3 | 11 | 12 |
| 4 | 15 | 17 |
| 5 | 15 | 15 |
| 6 | 11 | 14 |
| 7 | 11 | 12 |
| 8 | 13 | 14 |
| 9 | 8 | 10 |
| 10 | 9 | 13 |
| 11 | 13 | 12 |
| 12 | 7 | 9 |
What is the value of r?
a) 0.8620
b) -0.8620
c) 0.9236
d) -0.927
e) 0.927
f) -0.9236
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