A) 0873
B) 0

question 154

Multiple Choice

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

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

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Definitions:

Contractures

Permanent shortening of a muscle or joint, often leading to limited range of motion and stiffness.

Adhesive Traction Straps

Devices used to provide support or immobilize a body part by adhering to the skin and applying a pulling force.

Legg-Calvé-Perthes Disease

A childhood condition that occurs when blood supply to the femoral head is temporarily interrupted, leading to bone death, and potentially causing hip joint problems.

Corrective Appliance

A device used to modify the structural arrangement of dental or skeletal parts, such as braces for teeth.