Use the Given Data to Find the Best Predicted Value $\mathrm { r } = 0.708$

question 31

Multiple Choice

Use the given data to find the best predicted value of the response variable.
-Eight pairs of data yield $\mathrm { r } = 0.708$ and the regression equation $\hat { y } = 55.8 + 2.79 x$ . Also, $\bar { y } = 71.125$ What is the best predicted value of $y$ for $x = 9.9 ?$

• A) 71.13
• B) 83.42
• C) 555.21
• D) 57.80

---

Definitions:

Hydrogen-Powered Vehicles

Vehicles that use hydrogen fuel cells to generate power, emitting only water vapor as a byproduct, and offering an alternative to fossil fuel-based transportation.

Order Getter

A salesperson whose primary responsibility is to generate new business by identifying potential customers and convincing them to make a purchase.

Order Taker

A salesperson or employee whose primary role is to take and process orders from customers, rather than actively selling or persuading customers to buy.

Personal Trait

Characteristics or qualities that define an individual's personality and behavior.