The Average Monthly Cell Phone Bill Was Reported to Be $\$ 50.07$

Multiple Choice

The average monthly cell phone bill was reported to be $\$ 50.07$ by the U.S. Wireless Indus Random Sampling of a large cell phone company found the following monthly cell phone (in dollars) :
$\begin{array}{llll}\hline 52.62 & 46.27 & 59.77 & 67.21 \\57.26 & 49.24 & 45.99 & 46.81 \\55.39 & 48.08 & & \\\hline\end{array}$

At the $0.05$ level of significance, can it be concluded that the average phone bill has incre ry. reased?

A) No. There is not enough evidence to support the claim that the average bill has increased from $50.07.
B) There is not enough information to draw a conclusion.
C) Yes. There is enough evidence to support the claim that the average bill has increased from $50.07.