Exhibit 81
Use the Information Below for the Following Problem(S)

question 26

Multiple Choice

Exhibit 8.1
Use the Information Below for the Following Problem(S)
$$\begin{array} { c c c } & { \text { Rates of Return } } \\\text { Year } & \text { RA Computer } & \text { Markat Index } \\\hline 1 & 13 & 17 \\2 & 9 & 15 \\3 & - 11 & 6 \\4 & 10 & 8 \\5 & 11 & 10 \\6 & 6 & 12\end{array}$$
-Refer to Exhibit 8.1.Compute the beta for RA Computer using the historic returns presented above.

• A) 0.7715
• B) 1.2195
• C) 1.3893
• D) 1.1023
• E) -0.7715

---

Definitions:

Confidence Interval

A gamut of values, taken from sample statistics, considered likely to include the value of a hidden population attribute.

Population Proportion

The fraction or percentage of members in a population that have a particular attribute.

Sample Size

The number of individual observations or units included in a sample from a population, affecting the precision of the study's estimates.

Alternative Hypothesis

A statement that contradicts the null hypothesis and asserts that there is a statistically significant difference between groups or variables.