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6. The following sample contains the scores of 6 students selected at random in Mathematics and English. Use the scores in English as the dependent variable Y. Mathematics score (X) English score (Y) 70 92 74 84 80 63 74 87 65 78 83 c) Find the sample correlation coefficient r and interpret. 90 Σx=464, Σ y=476, Σ x²=36354, Σy²=38254, Σ xy=36926.

6. The following sample contains the scores of 6 students selected at random in Mathematics and English. Use the scores in English as the dependent variable Y. Mathematics score (X) English score (Y) 70 92 74 84 80 63 74 87 65 78 83 c) Find the sample correlation coefficient r and interpret. 90 Σx=464, Σ y=476, Σ x²=36354, Σy²=38254, Σ xy=36926.

MATLAB: An Introduction with Applications
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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6. The following sample contains the scores of 6 students selected at random in Mathematics and English. Use the scores in English as the dependent variable Y. Mathematics score (X) English score (Y) 70 74 92 80 74 65 83 84 63 87 78 90 Σ æ=464, Σy=476, Σ w2 -36354, Σy- X -38254, Σæy=36926. c) Find the sample correlation coefficient r and interpret.
Transcribed Image Text:6. The following sample contains the scores of 6 students selected at random in Mathematics and English. Use the scores in English as the dependent variable Y. Mathematics score (X) English score (Y) 70 74 92 80 74 65 83 84 63 87 78 90 Σ æ=464, Σy=476, Σ w2 -36354, Σy- X -38254, Σæy=36926. c) Find the sample correlation coefficient r and interpret.
O- 0.2397 and the relationship between x and y is weak 0.2397 and the relationship between x and y is strong O-0.2397 and the relationship between x and y is strong 0.2397 and the relationship between x and y is weak
Transcribed Image Text:O- 0.2397 and the relationship between x and y is weak 0.2397 and the relationship between x and y is strong O-0.2397 and the relationship between x and y is strong 0.2397 and the relationship between x and y is weak
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