16.| Investing: Stocks and Bonds Do bonds reduce the overall risk of an invest-ment portfolio? Let x be a random variable representing annual percentreturn for Vanguard Total Stock Index (all stocks). Let y be a random variablerepresenting annual return for Vanguard Balanced Index (60% stock and 40%bond). For the past several years, we have the following data (Reference:Morningstar Research Group, Chicago):11O 36-11-11 -21x:21 31 2324y:10-2 2914 22 1814-2-3 -10(a) Compute Σχ, Σ , Σy, and Σγ.(b) Use the results of part (a) to compute the sample mean, variance, andstandard deviation for x and fory.(c) Compute a 75% Chebyshev interval around the mean for x values andalso for y values. Use the intervals to compare the two funds. MOSECTION 3.2 Measures of Variation117(d) Interpretation: Compute the coefficient of variation for each fund. Usethe coefficients of variation to compare the two funds. If s representsrisks and x represents expected return, then s/x can be thought of as ameasure of risk per unit of expected return. In this case, why is a smallerCV better? Explain.

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Answered: 16.| Investing: Stocks and Bonds Do…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Education pays off, according to some data from a study. The median weekly earnings and the unemployment rates for eight different levels of education are shown in the table. Educational Attainment Doctoral degree (Dr) Professional degree (Prf) Master's degree (MS) Bachelor's degree (BS) Associate degree (AS) Some college, no degree (SC) High school diploma (HS) Less than a high school diploma (NHS) Unemployment Rate (%) 1.7 1.7 2.5 2.6 3.5 4.3 5.3 7.5 Median Usual Weekly Earnings ($) 1,665 1,747 1,382 1,155 820 757 690 505 Note: Data are for persons aged 25 and over. Earnings are for full-time wage and salary workers.
[Statistics] Use R or RStudio Context of the problem:Fire damage in the United States amounts to billions of dollars, much of it insured. The time taken to arrive at the fire is critical. This raises the question, Should insurance companies lower premiums if the home to be insured is close to a fire station? To help make a decision, a study was undertaken wherein a number of fires were investigated. The distance to the nearest fire station (in miles) and the percentage of fire damage were recorded. Here is the data set: Distance Percent7.5 688.3 666.2 341.6 305.6 706 624.3 478.1 725.7 400.3 531.6 182.5 485.8 535.3 486.3 643.4 526.2 613.2 346.3 656.1 664.6 336.7 760.5 343.2 465.3 555 334.8 466.4 490.2 174.9 476.2 637.6 696.6 542.9 522.1 434.8 358.1 581.2 54.6 464 576.1 400.8 395.9 426.5 626.5 527.5 767.2 676.7 454.1 234 334.8 594…
Q3A The table below contains on 48 houses: the value of the house and the amount of rental income in a year that the house brings in ("Capital and rental," 2013). Table: Data of House Value versus Rental Value Rental Value Rental Value Rental Value Rental 81000 6656 77000 4576 75000 7280 67500 6864 95000 7904 94000 8736 90000 6240 85000 7072 121000 12064 115000 7904 110000 7072 104000 7904 135000 8320 130000 9776 126000 6240 125000 7904 145000 8320 140000 9568 140000 9152 135000 7488 165000 13312 165000 8528 155000 7488 148000 8320 178000 11856 174000 10400 170000 9568 170000 12688 200000 12272 200000 10608 194000 11232 190000 8320 214000 8528 208000 10400 200000 10400 200000 8320 240000 10192 240000 12064 240000 11648 225000 12480 289000 11648 270000 12896 262000 10192…
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