2. Your portfolio had the following annual rates of return: 6%, 5%, 4%, 3%, 2%, and 1%. a. What is your Arithmetic Mean? b. What is your Geometric Mean? c. What is this portfolio's sample standard deviation?
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- Assuming the below annual rates of return: Annual Rates of Return: Wamart - 12.36% Coca Cola - 25.51% Pfizer - 14% CVS - 32.99% Berkshire Hathaway - 29.66% Calculate the mean, variance, and the standard deviation of each security’s annual rate of return.Estimate the ASN curve for the plan derived in the attached problem. According to your curve, what is the expected number of microprocessors that must be tested when the true proportion of defectives in the lot isa. 0.1 percent?b. 1.0 percent?c. 10 percent?Consider the table. Sales on Toaster Ovens 2004 2005 2006 2007 2008 Super Deluxe $86,100 $140,500 $65,800 $56,100 $59,000 Deluxe 103,200 136,100 129,900 133,800 75,400 Standard 147,300 123,600 125,500 132,600 58,000 What percent of the total sales in 2004 were the deluxe model? (Round to the nearest tenth percent.)
- b) what is the standard deviation of each stock?Don Williams received a memo requesting that he complete a trend analysis of the following numbers using 2021 as the base year. 2024 2023 2022 2021 Sales $ 340,000 $ 400,000 $ 420,000 $ 500,000 Gross profit 180,000 240,000 340,000 400,000 Net income 70,000 90,000 40,000 50,000 Could you help Don with the request? Note: Round your answers to the nearest whole percent.According to a yahoo!finance article dated September 7, 2021, the top vehicles for resale value had the following five-year retention values (as a percent). 60% 62% 64% 65% 66% 66% 67% 70% What is the standard deviation s for this data? Express your answer to the nearest tenth of a percent.
- The ages of a sample of 12 students enrolled in an online macroeconomics course are as follows: 21 22 27 36 18 19 22 23 22 28 36 33 a. What is the mean age for this sample? b. Find the median age. c. What is the value of the modal age?The following information is available concerning the historical risk and return relationships in the U.S. capital markets: U.S. CAPITAL MARKETS TOTAL ANNUAL RETURNS, 1990-2015 Investment Category Arithmetic Mean Geometric Mean Standard Deviation of Return^a Common Stocks 10.28% 8.81% 16.90% Treasury Bills 3.54% 3.49% 3.20% Long-Term Government Bonds 5.10% 4.91% 6.40% Long-Term Corporate Bonds 5.95% 5.65% 9.60% Real Estate 9.49% 9.44% 4.50% a = Based on arithmetic mean. a. Explain why the geometric and arithmetic mean returns are not equal and whether one or the other may be more useful for investment decision making. b. For the time period indicated, rank these investments on a relative basis using the coefficient of variation from most to least desirable. Explain your rationale. c. Assume the arithmetic mean returns in these series are normally distributed. Calculate the range of returns that an investor would have expected to achieve 95…Suppose your expectations regarding the stock price are as detailed in the table below. Compute the mean and standard deviation of the holding period returns on stocks. State of the Market Probability Ending Price HPR (including dividends)Boom 0.23 $140 52.0%Normal growth 0.24 $110 19.0% Recession 0.53 $80 −11.5%