Approximate the Variance and Standard Deviation of a Variable from Grouped Data
-For the following data set, approximate the sample standard deviation of unused vacation days . $\begin{array}{c|c}
\text { Days } & \text { Frequency } \
\hline 1-2 & 9 \
3-4 & 22 \
5-6 & 28 \
7-8 & 15 \
9-10 & 14
\end{array}$

A) $2.4$ days
B) $5.5$ days
C) $3.5$ days
D) $5.9$ days

Question

Approximate the Variance and Standard Deviation of a Variable from Grouped Data
-For the following data set, approximate the sample standard deviation of unused vacation days . $\begin{array}{c|c}
\text { Days } & \text { Frequency } \
\hline 1-2 & 9 \
3-4 & 22 \
5-6 & 28 \
7-8 & 15 \
9-10 & 14
\end{array}$

A) $2.4$ days
B) $5.5$ days
C) $3.5$ days
D) $5.9$ days

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 unused vacation days . $\begin{array}{c|c}
\text { Days } & \text { Frequency } \
\hline 1-2 & 9 \
3-4 & 22 \
5-6 & 28 \
7-8 & 15 \
9-10 & 14
\end{array}$

A) $2.4$ days
B) $5.5$ days
C) $3.5$ days
D) $5.9$ days