Provide an appropriate response.
-For the following data, approximate the mean weekly grocery bill. $\begin{array}{c|c}
\text { Bill (in dollars) } & \text { Frequency } \
\hline 135-139 & 17 \
140-144 & 14 \
145-149 & 6 \
150-154 & 8 \
155-159 & 11
\end{array}$
A) $\$ 145.40$
B) $\$ 143.40$
C) $\$ 147.40$
D) $\$ 143.90$

Question

Quizplus · Accepted Answer

The mean weekly grocery bill is approximately $145.40. This is calculated by multiplying the midpoint of each interval by the frequency, and then dividing the sum of these products by the total frequency.

Provide an Appropriate Response A) $145.40\$ 145.40$145.40 B) $143.40\$ 143.40$143.40 C) $147.40\$ 147.40$147.40

Provide an Appropriate Response A) $\$ 145.40$ B) $\$ 143.40$ C) $\$ 147.40$