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Exhibit 16-4

Question 63

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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.How many minutes must elapse after the brewing in order to cool the coffee to 158 <sup>o</sup>F? A) About 5 minutes B) About 6 minutes C) About 7 minutes D) About 8 minutes 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.How many minutes must elapse after the brewing in order to cool the coffee to 158 <sup>o</sup>F? A) About 5 minutes B) About 6 minutes C) About 7 minutes D) About 8 minutes 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.How many minutes must elapse after the brewing in order to cool the coffee to 158 <sup>o</sup>F? A) About 5 minutes B) About 6 minutes C) About 7 minutes D) About 8 minutes Refer to Exhibit 16-4.How many minutes must elapse after the brewing in order to cool the coffee to 158 oF?


A) About 5 minutes
B) About 6 minutes
C) About 7 minutes
D) About 8 minutes

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