Approximate the mean of the frequency distribution.
-$$\begin{array} { c | c }
\text { Phone calls (per day) } & \text { Frequency } \
\hline 8 - 11 & 37 \
12 - 15 & 49 \
16 - 19 & 17 \
20 - 23 & 46 \
24 - 27 & 39
\end{array}$$
A)18
B)17
C)16
D)19
E)38

Question

Approximate the mean of the frequency distribution.
-$$\begin{array} { c | c } 
\text { Phone calls (per day) } & \text { Frequency } \
\hline 8 - 11 & 37 \
12 - 15 & 49 \
16 - 19 & 17 \
20 - 23 & 46 \
24 - 27 & 39
\end{array}$$
A)18
B)17
C)16
D)19
E)38

Quizplus · Accepted Answer

The mean is approximated by finding the midpoint of each class, multiplying by the frequency, summing these products, and dividing by the total frequency. The calculation gives approximately 18.

Approximate the Mean of the Frequency Distribution A)18 B)17 C)16 D)19 E)38

Approximate the Mean of the Frequency Distribution A)18
B)17
C)16
D)19
E)38