Pizza
in Preparation for a Pizza Party,the Students at State

Short Answer

Pizza
In preparation for a pizza party,the students at State University surveyed the price of medium-sized pizzas for local restaurants: $$\begin{array} { | c | c | } \hline \text { Restaurant } & \text { Price } \\\hline \text { Mr. Gattis } & 7.15 \\\text { Pizza Hut } & 7.00 \\\text { Little Italy } & 6.85 \\\text { Dominos } & 8.00 \\\text { Pizza Inn } & 7.50 \\\text { Mazzios } & 6.45 \\\text { Rossini's } & 8.50 \\\text { Pizza Works } & 7.75 \\\hline\end{array}$$
-What is the range of these prices?