The Sample Correlation Coefficient Between X and Y Is 0

question 181

Multiple Choice

The sample correlation coefficient between X and Y is 0.375.It has been found out that the p-value is 0.256 when testing H₀: ρ = 0 against the two-sided alternative H₁: ρ ≠ 0.To test H₀: ρ = 0 against the one-sided alternative H₁: ρ < 0 at a significance level of 0.2,the p-value is

• A) 0.256 / 2.
• B) (0.256)2.
• C) 1 - 0.256.
• D) 1 - 0.256 / 2.

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