Solve the Problem $$\begin{array} { | c c c c | } \hline 500 & 750 & 630 & 480 \\550 & 650 & 720 & 780 \\820 & 960 & 1200 & 770 \\\hline\end{array}$$

question 77

Essay

Solve the problem.
-The weekly incomes (in dollars) of a sample of 12 nurses working at a Los Angeles hospital are given below. $$\begin{array} { | c c c c | } \hline 500 & 750 & 630 & 480 \\550 & 650 & 720 & 780 \\820 & 960 & 1200 & 770 \\\hline\end{array}$$

---

Definitions:

Risk Premium

The return in excess of the risk-free rate of return that an investment is expected to yield, compensating investors for taking on additional risk.

Treasury Bills

Short-term government securities issued at a discount from the face value and pay no interest, maturing in one year or less.

Small-company Stocks

Equity investments in companies with smaller market capitalization, often characterized by higher volatility and potential for growth.

Efficient Market

A financial market theory suggesting that asset prices fully reflect all available information at any given time, ensuring that securities are appropriately priced and investors cannot consistently achieve higher-than-average returns.