The Milk Prices in Quarts) from a Sample of 9

Short Answer

The milk prices in quarts) from a sample of 9 convenience stores in Chattanooga, Tennessee are shown below.
$\begin{array}{ll}\text { Store\# }&\text { Price Per Quart } x \text { ) }\\1 & \$ 1.14 \\2 & \$ 1.19 \\3 & \$ 1.25 \\4 & \$ 1.21 \\5 & \$ 1.17 \\6 & \$ 1.19 \\7 & \$ 1.22 \\8 & \$ 1.24 \\9 & \$ 1.19\end{array}$
a. What is the point estimate for the prices of all convenience stores in Chattanooga?
b. What is the point estimate for the standard deviation of the population?