The frequency distribution below shows the monthly expenditure on gasoline for a sample of 14 individuals. $$\begin{array} { l l }
\text { Expenditure } & \text { Frequency } \
55 - 59 & 2 \
60 - 64 & 3 \
65 - 69 & 4 \
70 - 74 & 3 \
75 - 79 & 2
\end{array}$$
a.
Compute the mean.
b.
Compute the standard deviation.

Question

The frequency distribution below shows the monthly expenditure on gasoline for a sample of 14 individuals. $$\begin{array} { l l } 
\text { Expenditure } & \text { Frequency } \
55 - 59 & 2 \
60 - 64 & 3 \
65 - 69 & 4 \
70 - 74 & 3 \
75 - 79 & 2
\end{array}$$ ​ 
a.
Compute the mean.
b.
Compute the standard deviation.

Quizplus · Accepted Answer

The Answer of The frequency distribution below shows the monthly expenditure on gasoline for a sample of 14 individuals. $$\begin{array} { l l } 
\text { Expenditure } & \text { Frequency } \
55 - 59 & 2 \
60 - 64 & 3 \
65 - 69 & 4 \
70 - 74 & 3 \
75 - 79 & 2
\end{array}$$ ​ 
a.
Compute the mean.
b.
Compute the standard deviation.

The Frequency Distribution Below Shows the Monthly Expenditure on Gasoline