Categories
Pages
Monthly Archives: March 2008
Statistical Significance of a Voter Survey
In a survey of 400 likely voters, 215 responded that they would vote for the incumbent and 185 responded that they would vote for the challenger. Let p denote the fraction of all likely voters who preferred the incumbent at … Continue reading
Posted in Probability and Statistics
Leave a comment
Finding Probabilities Using the Central Limit Theorem – #2
In a population μY = 100 and σ Y2 = 43. In a random sample of size n = 64, what is Pr (101 < Ȳ < 103)? The sample variance = (σ Y2 / n) = 43/64 = 0.671875 … Continue reading
Posted in Uncategorized
Leave a comment
Finding Probabilities Using the Central Limit Theorem
In a population μY = 100 and σ Y2 = 43. In a random sample of size n = 100, what is Pr (Ȳ < 101)? The sample variance = (σ Y2 / n) = 43/100 = 0.43 Therefore, the … Continue reading
Posted in Uncategorized
Leave a comment
What is the difference between the sample average, Ȳ, and the population mean? The sample average is the average of the samples taken from a population. The population mean is the average of the entire population. They are guaranteed to … Continue reading
Posted in Uncategorized
Leave a comment
Standard Error Definition
The standard error of an estimation is the estimated standard deviation of the error in the estimation. Specifically, it estimates the standard deviation of the difference between estimated values and the true values. Notice that the true value of the … Continue reading
Posted in Uncategorized
Leave a comment
Spring 2008 Books
MKT 402 – Albuquerque There is one required book and two packets. The prices of the packets are not available yet. The book is: Marketing Management (13th Edition) by Phillip Kotler and Kevin Keller. The book is a recent update; … Continue reading
Posted in Simon
Leave a comment
Some Links about CAPM
http://finance.wharton.upenn.edu/~mrrobert/Teaching/LectureSlides/Class9_Leverage_Slides_Handout.pdf http://www.12manage.com/methods_capm.html http://www.quickmba.com/finance/cf/ http://www.12manage.com/methods_capm.html http://pages.stern.nyu.edu/~adamodar/New_Home_Page/AppldCF/derivn/ch4deriv.html http://pages.stern.nyu.edu/~adamodar/New_Home_Page/AppldCF/derivn/ch4deriv.html http://www.ibankingfaq.com/interviewing-technical-questions/why-do-you-have-to-unlever-and-then-relever-beta/ These links has examples of unleveraging beta: http://www.washburn.edu/sobu/rhull/cf10.html The Hamada Equation for Unlevering Beta
Monthy ARM Reset Schedule
We’re half way through the sub-prime resets.
Posted in Uncategorized
Leave a comment