Find the Standard Deviation and Variance of the Scores on a Final

question 7

Short Answer

Find the standard deviation and variance of the scores on a final exam.
65,88,83,80,78,90,92,85,74,70,95,62

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Definitions:

Risk-Averse Investor

An individual who prefers lower returns with known risks rather than higher returns with unknown risks.

Variances

Variances measure the dispersion of a set of data points around their mean value, identifying how spread out the data points are.

Risky Asset

An investment that has a significant degree of uncertainty regarding its future returns, potentially leading to losses as well as gains.

Standard Deviation

A measure of the amount of variability or dispersion in a set of data points, indicating how much individual data points deviate from the mean.