3. The following sample contains values of the price and quantity sold of a particular commodity. Use quantity sold as the dependent variable Y. Price (X) Quantity sold (Y) 6.00 3.00 7.00 1.00 2.00 8.00 53 67 48 76 70 28 Σx=27, Σ y=342, Σ x²=163, Σ xy=1295, Σ y² = 21062, n = 6. c. Find the sample correlation coefficient r and interpret. O- 0.957 and relationship between x and y is weak. 0.957 and relationship between x and y is weak. - 0.957 and relationship between x and y is strong. 0.957 and relationship between x and y is strong.
3. The following sample contains values of the price and quantity sold of a particular commodity. Use quantity sold as the dependent variable Y. Price (X) Quantity sold (Y) 6.00 3.00 7.00 1.00 2.00 8.00 53 67 48 76 70 28 Σx=27, Σ y=342, Σ x²=163, Σ xy=1295, Σ y² = 21062, n = 6. c. Find the sample correlation coefficient r and interpret. O- 0.957 and relationship between x and y is weak. 0.957 and relationship between x and y is weak. - 0.957 and relationship between x and y is strong. 0.957 and relationship between x and y is strong.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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