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Exhibit 16-4

Question 44

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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 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) = β<sub>0</sub> + β<sub>1</sub>Time + 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 For the assumed exponential model ln(Temp) = β0 + β1Time + ε,the following Excel regression partial output is available. 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) = β<sub>0</sub> + β<sub>1</sub>Time + 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 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) = β<sub>0</sub> + β<sub>1</sub>Time + 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 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

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