If the Least Squares Equation for Sales Data Going from 2004

question 113

Multiple Choice

If the least squares equation for sales data going from 2004 to 2008 is Ŷ = 10 + 1.3t (in $millions) , what is the value of t and the forecast for 2010?

• A) t = 6, Ŷ = 17.8
• B) t = 0, Ŷ = 10.0
• C) t = 7, Ŷ = 19.1
• D) t = 10, Ŷ = 0.0

---

Definitions:

Bivalves

Bivalves are a class of marine and freshwater mollusks that have bodies enclosed by a shell consisting of two hinged parts.

Muscular Foot

A muscular structure found in many mollusks used for movement and anchoring.

Gastropods

A class of mollusks that includes snails and slugs, characterized by their univalve shell (in snails) and distinctive crawling locomotion.

Hinged Shell

A shell structure composed of two parts connected by a flexible hinge, allowing the shell to open and close, commonly seen in bivalves like clams and oysters.