The correlation between agarwood formation size and the injection volume of fungal spores was statistically significant (p < 0.05). The regressed equation is y = 10.2 – 2.3x and the coefficient of determination (R2) is 0.76. What is the correlation coefficient (r) value for this relationship?   a. r = – 0.76   b. r = 0.76   c. r = – 0.87   d. r = 0.87

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The correlation between agarwood formation size and the injection volume of fungal spores was statistically significant (p < 0.05). The regressed equation is y = 10.2 – 2.3x and the coefficient of determination (R2) is 0.76. What is the correlation coefficient (r) value for this relationship?

 

a.

r = – 0.76

 

b.

r = 0.76

 

c.

r = – 0.87

 

d.

r = 0.87

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