Compute r, the correlaton coeffcient, USma the follout data X. 434
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 9SGR
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Concept explainers
Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
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Expert Solution
Step 1
The correlation coefficient r is computed using the formula below:
x | y | xy | ||
1 | 1 | 1 | 1 | 1 |
5 | 5 | 25 | 25 | 25 |
6 | 6 | 36 | 36 | 36 |
3 | 5 | 9 | 25 | 15 |
4 | 4 | 16 | 16 | 16 |
2 | 2 | 4 | 4 | 4 |
sum=21 | sum=23 | sum=91 | sum=107 | sum=97 |
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