Exhibit 16-4

question 88

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.During one minute,the predicted temperature decreases by approximately

• A)0.0118 ⁰F.
• B)1.18 ⁰F.
• C)1.18 %.
• D)11.8 %.

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Definitions:

Reddening

The process of becoming red, often as a response to emotion, heat, or injury.

Classification

A system for organizing data into categories for efficient handling and analysis.

Chemical Burn

Tissue damage caused by direct contact with chemicals that can cause destruction of the skin and underlying tissues.