The following is a frequency distribution for the ages of a sample of employees at a local company. $$\begin{array}{l}
\text { Age } &\text { Frequency }\
30 - 39 & 2 \
40 - 49 & 3 \
50 - 59 & 7 \
60 - 69 & 5 \
70 - 79 & 1
\end{array}$$
a.
Determine the average age for the sample.
b.
Compute the variance.
c.
Compute the standard deviation.
d.
Compute the coefficient of variation.

Question

The following is a frequency distribution for the ages of a sample of employees at a local company. $$\begin{array}{l}
\text { Age } &\text { Frequency }\
30 - 39 & 2 \
40 - 49 & 3 \
50 - 59 & 7 \
60 - 69 & 5 \
70 - 79 & 1
\end{array}$$ ​ 
a.
Determine the average age for the sample.
b.
Compute the variance.
c.
Compute the standard deviation.
d.
Compute the coefficient of variation.

Quizplus · Accepted Answer

The Answer of The following is a frequency distribution for the ages of a sample of employees at a local company. $$\begin{array}{l}
\text { Age } &\text { Frequency }\
30 - 39 & 2 \
40 - 49 & 3 \
50 - 59 & 7 \
60 - 69 & 5 \
70 - 79 & 1
\end{array}$$ ​ 
a.
Determine the average age for the sample.
b.
Compute the variance.
c.
Compute the standard deviation.
d.
Compute the coefficient of variation.

The Following Is a Frequency Distribution for the Ages of a Sample