Macro Corporation Has Had the Following Returns for the Past $\left( r _ { m } \right)$

question 5

Multiple Choice

Macro Corporation has had the following returns for the past three years: -10 percent, 10 percent, and 30 percent.Use the following formulas to calculate the standard deviation of the returns: Variance = expected value of $\left( r _ { m } \right)$ $\left( \tilde { r } _ { m } - r _ { m } \right) ^ { 2 }$ Standard deviation of . $\tilde { r } _ { m } = \sqrt { \text { variance } \left( r _ { m } \right) }$

• A)10.00 percent
• B)16.33 percent
• C)18.21 percent
• D)30.00 percent

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Definitions:

Scleroderma

A group of autoimmune diseases that cause the skin and connective tissues to harden and tighten.

Melanocytes

Cells located in the basal layer of the epidermis that produce melanin, the pigment responsible for skin color.

Hematocrit

A measurement of the proportion of blood that is made up of red blood cells, usually expressed as a percentage.

Hyperpigmentation

A condition where patches of skin become darker in color than the surrounding skin, due to excess melanin.