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 %.