Approximate the Variance and Standard Deviation of a Variable from Grouped Data
-For the following data set, approximate the sample standard deviation of distances from work (in miles). $\begin{array}{c|c}
\text { Distance(miles) } & \text { Frequency } \
\hline 8-11 & 15 \
12-15 & 21 \
16-19 & 36 \
20-23 & 39 \
24-27 & 23
\end{array}$

A) $4.9$ miles
B) $24.5$ miles
C) $5.2$ miles
D) $24.3$ miles

Question

Approximate the Variance and Standard Deviation of a Variable from Grouped Data
-For the following data set, approximate the sample standard deviation of distances from work (in miles). $\begin{array}{c|c}
\text { Distance(miles) } & \text { Frequency } \
\hline 8-11 & 15 \
12-15 & 21 \
16-19 & 36 \
20-23 & 39 \
24-27 & 23
\end{array}$

A) $4.9$ miles
B) $24.5$ miles
C) $5.2$ miles
D) $24.3$ miles

Quizplus · Accepted Answer

The Answer of Approximate the Variance and Standard Deviation of a Variable from Grouped Data
-For the following data set, approximate the sample standard deviation of distances from work (in miles). $\begin{array}{c|c}
\text { Distance(miles) } & \text { Frequency } \
\hline 8-11 & 15 \
12-15 & 21 \
16-19 & 36 \
20-23 & 39 \
24-27 & 23
\end{array}$

A) $4.9$ miles
B) $24.5$ miles
C) $5.2$ miles
D) $24.3$ miles