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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Definitions:

Logical Operator

An operator used in programming that returns a boolean value based on the combination of two or more conditions or expressions.

Reserved Words

Keywords in a programming language that are used for their predefined syntax and meaning, and thus cannot be used as identifiers for variables, classes, or functions.

Equality Operator

A symbol used in programming languages to compare two values for equality, typically represented by "==".

Default Cases

A branch in switch statements in programming that executes if no case labels match the switch expression.