Analysis of variance

The total risk of a portfolio, or portfolio variance, is the combination of systematic risk and firm-specific risk. The systematic component depends on the sensitivity of the individual assets to market movements as measured by beta. Assuming the portfolio is well diversified, the number of assets will not affect the systematic risk component of portfolio variance. The portfolio beta depends on the individual security betas and the portfolio weights of…

William Ward Assignment (no more than 2 pages single-spaced): 1. What does Abelson mean by “Statistics as a principled argument” in your own words? By a principled argument, I believe that Abelson means that there should be a method to statistics. Not necessarily that it should be overly formalized or technical, but one with sound judgement. Abelson argues that good judgement with statistics in social science has been lost because there is considerable focus on null hypothesis testing (Abelson…

Out of all, the burned area showed a significant increase in longleaf pines, (Pinus Palustris) and a decrease in woody species, compared to the unburned area. In fact, it jumped from a frequency of 15 in the unburned area to a frequency of 50; which is two times that of the burned area (see figure 1). Compared to all other species of tree, Pinus Palustris experienced the most increase of frequency. Whereas, Pinus Clausa or sand pine, was only present in the burned area showing that it was a…

The lottery is played all around the world. More than two-thirds of the citizens of the state. Anny three digit number can be placed from 000 to 999. After than the randomly draw a number. A number is drawn at random and announced by the state. The winner gets a prize. The probability that the correct 3 digits in the right order is selected is at an odds of 1 in 1,000. So if If a ticket costs two dollars and the winner must pick a sequence of five digits then if There are 10^5=100,000 different…

Fig. (3-23) Extrapolate Resonance frequency (fo) map of Nile Delta Area Fig (3-24) is extrapolate contour map for Associated Amplification of ground motion (Ao) of Nile Delta Area , from this map we notice the following : A - The value of (Ao) in the Central, Eastern and Northern part of Nile Delta is the same in most points and varied from 4 to 5. B - The value of (Ao) in the North Western part of Nile Delta and Alexandria is the same in most points and varied from 5 to 7 and…

Objectives: 1. Students will be able to apply the Pythagorean Theorem to find the length of the unknown side of a right triangle. 2. Students will determine how to use the Pythagorean Theorem to solve mathematical problems 3. Students will be able to evaluate expressions and solve equations with single digit exponents NY State Standards: CCSS.MATH.CONTENT.8.G.B.6 Explain a proof of the Pythagorean Theorem and its converse. CCSS.MATH.CONTENT.8.G.B.7 Apply the Pythagorean Theorem to determine…

Lemma: If p > 3 is prime, then either p = 1 (mod 6) or p = 5 (mod 6). Proof: The residue classes modulo 6 partition Z, so any z in Z satisfies a congruence z = n (mod 6) where n is in {0,1,...,5}. z is divisible by 6 if n = 0, 2 if n = 2, 3 if n = 3, and 2 if n = 4. These cases cover the primes z = 2 and z = 3; if z > 3 is prime, it follows that n = 1 or n = 5, i.e., z = 1 (mod 6) or z = 5 (mod 6). Now suppose there are only finitely many primes congruent to 5 modulo 6, say p_1, ...,…

vibration signals are continuously acquired by an YMC145A100 IEPE accelerometer attached to the housing with magnetic bases and mounted at the top of the engine such that gear location nearer to the accelerometer. The advanced data acquisition and analysis system DP/INV306U with 10 kHz samples frequency is used to collect the vibration signal while the shaft’s rotating frequency is steady .An accelerometer is mounted on the flat surface of the engine such that it should be near to the engine…

Theoretical Framework The Proportional Odds Model A binary logistic regression model estimates the odds and the probability of experiencing an event for the dichotomous outcome variable on a set of predictors. The logistic regression model is defined as: ln(Y′) = logit [π(x)] = ln = α + β1X1 + β2X2 + …+ βpXp. (1) where logit [π(x)] is the log odds of success, and the odds is a ratio between the probability of having an event and the probability of not having that event.…

Students were asked to create a dog pen with the biggest area. They had to make sure that they would have enough fencing material to cover a perimeter of 40 yards. With these 40 yards, students were asked to figure out the largest area for the dog to play in its pen. First, I know that we have 40 yards of fencing material. Our equation to finding out the perimeter of the the rectangle is 2W+2L=40. I also know that the formula for finding out the area is LW=A.The L variable stands for length and…