Consider the data in the following frequency distribution.Assume the data represent a population. $$\begin{array}{l}
\text { Class } \quad \text { Frequency }\
\begin{array} { l l }
2 - 6 & 2 \
7 - 11 & 3 \
12 - 16 & 4 \
17 - 21 & 1
\end{array}
\end{array}$$ For the above data, compute the following.
a.
The mean
b.
The variance
c.
The standard deviation

Question

Consider the data in the following frequency distribution.Assume the data represent a population. $$\begin{array}{l}
\text { Class } \quad \text { Frequency }\
\begin{array} { l l } 
2 - 6 & 2 \
7 - 11 & 3 \
12 - 16 & 4 \
17 - 21 & 1
\end{array}
\end{array}$$ For the above data, compute the following. 
a.
The mean
b.
The variance
c.
The standard deviation

Quizplus · Accepted Answer

The Answer of Consider the data in the following frequency distribution.Assume the data represent a population. $$\begin{array}{l}
\text { Class } \quad \text { Frequency }\
\begin{array} { l l } 
2 - 6 & 2 \
7 - 11 & 3 \
12 - 16 & 4 \
17 - 21 & 1
\end{array}
\end{array}$$ For the above data, compute the following. 
a.
The mean
b.
The variance
c.
The standard deviation

Consider the Data in the Following Frequency Distribution For the Above Data, Compute the Following