A sample of 8 new models of automobiles provides the following data on highway miles per gallon. Use Excel to answer the questions that follow the data. $$\begin{array} { l l }
\text { Model } & \begin{array} { l }
\text { Highway Miles } \
\text { per Gallon }
\end{array} \
\hline 1 & 33.6 \
2 & 26.8 \
3 & 20.2 \
4 & 38.7 \
5 & 35.1 \
6 & 28.0 \
7 & 26.2 \
8 & 27.6
\end{array}$$
a.
What is the point estimate for the average highway miles per gallon for all new models of autos?
b.
Determine the point estimate for the standard deviation of the population.

Question

A sample of 8 new models of automobiles provides the following data on highway miles per gallon. Use Excel to answer the questions that follow the data. $$\begin{array} { l l } 
\text { Model } & \begin{array} { l } 
\text { Highway Miles } \
\text { per Gallon }
\end{array} \
\hline 1 & 33.6 \
2 & 26.8 \
3 & 20.2 \
4 & 38.7 \
5 & 35.1 \
6 & 28.0 \
7 & 26.2 \
8 & 27.6
\end{array}$$ ​ 
a.
What is the point estimate for the average highway miles per gallon for all new models of autos?
b.
Determine the point estimate for the standard deviation of the population.

Quizplus · Accepted Answer

The Answer of A sample of 8 new models of automobiles provides the following data on highway miles per gallon. Use Excel to answer the questions that follow the data. $$\begin{array} { l l } 
\text { Model } & \begin{array} { l } 
\text { Highway Miles } \
\text { per Gallon }
\end{array} \
\hline 1 & 33.6 \
2 & 26.8 \
3 & 20.2 \
4 & 38.7 \
5 & 35.1 \
6 & 28.0 \
7 & 26.2 \
8 & 27.6
\end{array}$$ ​ 
a.
What is the point estimate for the average highway miles per gallon for all new models of autos?
b.
Determine the point estimate for the standard deviation of the population.

A Sample of 8 New Models of Automobiles Provides the Following