Find the weighted mean of a set of values. Round to the nearest tenth. $$\begin{array} { | c | c | }
\hline \text { Value of } x & \begin{array} { c }
\text { The weights to } \
\text { the } x \text { values }
\end{array} \
\hline 3 & 20 \
\hline 4 & 34 \
\hline 2 & 47 \
\hline 1 & 54 \
\hline
\end{array}$$
A) 2.2
B) 38.8
C) 15.5
D) 2.5

Question

Find the weighted mean of a set of values. Round to the nearest tenth. $$\begin{array} { | c | c | } 
\hline \text { Value of } x & \begin{array} { c } 
\text { The weights to } \
\text { the } x \text { values }
\end{array} \
\hline 3 & 20 \
\hline 4 & 34 \
\hline 2 & 47 \
\hline 1 & 54 \
\hline
\end{array}$$
A) 2.2
B) 38.8
C) 15.5
D) 2.5

Quizplus · Accepted Answer

Weighted mean = (3 * 20 + 4 * 34 + 2 * 47 + 1 * 54) / (20 + 34 + 47 + 54) = 2.2

Find the Weighted Mean of a Set of Values A) 22 B) 38

Find the Weighted Mean of a Set of Values A) 22
B) 38