$$\begin{array} { | c | c | }
\hline \text { Weight (pounds) } & \text { Frequency } \
\hline 6 & 1 \
\hline 7 & 2 \
\hline 8 & 2 \
\hline 9 & 5 \
\hline 10 & 3 \
\hline 11 & 2 \
\hline 12 & 1 \
\hline
\end{array}$$ What is the standard deviation?
A) 9.06
B) 1.56
C) 3.32
D) 9.0

Question

$$\begin{array} { | c | c | } 
\hline \text { Weight (pounds) } & \text { Frequency } \
\hline 6 & 1 \
\hline 7 & 2 \
\hline 8 & 2 \
\hline 9 & 5 \
\hline 10 & 3 \
\hline 11 & 2 \
\hline 12 & 1 \
\hline
\end{array}$$ What is the standard deviation?
A) 9.06
B) 1.56
C) 3.32
D) 9.0

Quizplus · Accepted Answer

The standard deviation is calculated by finding the square root of the variance. The variance is the average of the squared differences from the mean. Here, the mean is 9, and the variance is approximately 2.44, so the standard deviation is about 1.56.

What Is the Standard Deviation? A) 9

What Is the Standard Deviation?
A) 9