Consider the Sample Regression Equation = 10 - 5x

question 52

Multiple Choice

Consider the sample regression equation = 10 - 5x, with an R² value of 0.65. Which of the following is the value of the sample correlation between y and ?

• A) −0.81
• B) −0.65
• C) 0.81
• D) 0.65

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Definitions:

Gyrase

An enzyme that introduces negative supercoils into DNA, which is crucial for DNA replication and transcription, mainly found in bacteria.

Amino Acids

The building blocks of proteins, consisting of a basic amino group, an acidic carboxyl group, and a unique side chain.

Hydrogen Bonds

A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.