The Sample Correlation Coefficient Between X and Y Is 0

question 31

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 0.1,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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Assessment Test

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Classical Test Theory

A theory of psychological testing that assumes each test taker has a true score that would be obtained if there were no measurement errors.

Measurement Error

Measurement error refers to the difference between the actual value of a quantity and the value obtained by a measurement process, due to inaccuracies or fluctuations in the measurement system.

Test Administrators

Individuals who oversee the administration of tests, ensuring that testing protocols are followed.