Calculate the Expected Return, Variance, and Standard Deviation for the Following

question 20

Essay

Calculate the expected return, variance, and standard deviation for the following portfolio of four stocks:
$$\begin{array} { | c | c | } \hline \text { Stock 1 } & 16.4 \% \text { retum } \\\hline \text { Stock 2 } & - 9.2 \% \text { retum } \\\hline \text { Stock 3 } & 7.9 \% \text { retum } \\\hline \text { Stock 4 } & 22.0 \% \text { retum } \\\hline\end{array}$$

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Definitions:

Vestibular Duct

A part of the inner ear that is involved in hearing and balance, also known as the scala vestibuli in the cochlea.

Utricle

A sac-like structure in the vestibular system of the inner ear that plays a key role in detecting changes in gravitational forces and linear movements.

Cupula

A gelatinous, dome-shaped structure within the inner ear that responds to changes in rotational acceleration, aiding in balance.

Ampulla

An enlargement or dilatation in a canal or duct, commonly referring to the dilated end of ducts such as the bile duct.