Exhibit 14-9 A Regression and Correlation Analysis Resulted in the Following Information

question 34

Multiple Choice

Exhibit 14-9
A regression and correlation analysis resulted in the following information regarding a dependent variable (y) and an independent variable (x) .
-Refer to Exhibit 14-9. The least squares estimate of b₁ equals

• A)0.923
• B)1.991
• C)-1.991
• D)-0.923

---

Definitions:

Breath Sounds

The sounds made by air moving through the respiratory system, used by healthcare professionals to assess lung function.

Wheezes

High-pitched whistling sounds made while breathing out, often indicating narrowed airways or asthma.

Critically Ill Child

A child experiencing a life-threatening medical condition that requires close, constant monitoring and potentially intensive therapeutic interventions.

Respirations

The process of inhaling and exhaling air to facilitate gas exchange within the body, particularly oxygen intake and carbon dioxide expulsion.