Standard deviation
Not what you're looking for?
The common stock of US Air Inc. had annual returns of 15.6 %, 2.4 % , -11.8 % and 32.9% over the past 4 years respectively. What is the standard deviation of these returns.?
a. 13.29 percent
b. 14.14 percent
c. 16.50 percent
d. 17.78 percent
e. 19.05 percent
Purchase this Solution
Solution Summary
The expert examines standard deviation for common stock of the United States Air Inc.
Solution Preview
to calculate std. dev, we first need the mean (for simplicity, i will omit the % sign for now, so 15.6% is just 15.6, I will add it back later)
mean = ...
Purchase this Solution
Free BrainMass Quizzes
Balance Sheet
The Fundamental Classified Balance Sheet. What to know to make it easy.
Lean your Process
This quiz will help you understand the basic concepts of Lean.
Learning Lean
This quiz will help you understand the basic concepts of Lean.
Transformational Leadership
This quiz covers the topic of transformational leadership. Specifically, this quiz covers the theories proposed by James MacGregor Burns and Bernard Bass. Students familiar with transformational leadership should easily be able to answer the questions detailed below.
Writing Business Plans
This quiz will test your understanding of how to write good business plans, the usual components of a good plan, purposes, terms, and writing style tips.