Exhibit 16-4

question 44

Multiple Choice

Exhibit 16-4.The following data shows the cooling temperatures of a freshly brewed cup of coffee after it is poured from the brewing pot into a serving cup.The brewing pot temperature is approximately 180º F;see http://mathbits.com/mathbits/tisection/statistics2/exponential.htm For the assumed exponential model ln(Temp) = β₀ + β₁Time + ε,the following Excel regression partial output is available. Refer to Exhibit 16-4.What is the predicted coffee temperature in half an hour after the brewing?

• A)164.72
• B)-4.7904
• C)164.74
• D)120.42

---

Definitions:

Tribal Boundaries

The recognized geographical borders that define the territorial limits of indigenous tribes or communities.

White Migrants

Refers to individuals of European descent moving to or within countries, often associated with historical contexts of colonization or immigration for economic opportunities.

Oregon Trail

A historic east-west, large-wheeled wagon route and emigrant trail in the United States that connected the Missouri River to valleys in Oregon.

Metropolitan Centers

Major urban areas that serve as the economic, cultural, and political hubs of a region.