For the Data Below, Determine the Value of the Linear $r$

question 58

Multiple Choice

For the data below, determine the value of the linear correlation coefficient $r$ between $y$ and $x ^ { 2 }$ .
$\begin{array}{r|rrrrr}\boldsymbol{x} & 1.2 & 2.7 & 4.4 & 6.6 & 9.5 \\\hline \boldsymbol{y} & 1.6 & 4.7 & 9.9 & 24.5 & 39.0\end{array}$

• A) \(0.913\)
• B) \(0.985\)
• C) \(0.990\)
• D) \(0.873\)

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Definitions:

Joint

A structure in the human or animal body where two parts of the skeleton are fitted together.

Humerus

The long bone in the upper arm or forelimb, extending from the shoulder to the elbow.

Extensor Carpi Ulnaris

A muscle of the forearm that extends and adducts the wrist.

Pronator Quadrates

A muscle in the forearm that helps to pronate (turn so the palm is facing downwards) the hand.