The Data Below Are the Average One-Way Commute Times (In

question 44

Multiple Choice

The data below are the average one-way commute times (in minutes) of selected students during a summerliterature class and the number of absences for those students for the term. Calculate the linear correlationcoefficient. $$\begin{array} { l | c | c | c | c | c | c | c | c | c | } \text { Commute time (min) , } \mathrm { x } & 71 & 84 & 90 & 89 & 87 & 97 & 74 & 99 & 79 \\\hline \text { Number of absences, } \mathrm { y } & - 1 & 3 & 6 & 6 & 4 & 11 & 0 & 11 & 1\end{array}$$

• A) 0.980
• B) 0.890
• C) 0.881
• D) 0.819

---

Definitions:

Porous

Characteristic of a material or membrane containing minute holes through which liquid or air may pass.

Spongy Bone

A type of bone tissue with a porous structure, found at the ends of long bones and in the inner layers of other bones, facilitating movement and shock absorption.

Compact Bone

A dense and hard type of bone tissue that makes up the outer layer of bones, providing strength and structure.

Dense Bone

Dense or compact bone is a hard, outer layer of bone that provides strength and protection.