– Difference between Depreciation by Straight Line Method and Depreciation by Reducing Balance Method 6 2.0 The Difference 6 Question 3 - Standard Deviation and Quartile Deviation 7 Standard Deviation 7 Quartile Deviation 8 3.0 Purpose of Calculating Standard Deviation and Quartile Deviation 8 3.1 Calculation of Standard Deviation and Quartile Deviation 8 Reference 9 Question 1 – Difference between Simple Interest and Compound Interest To know the difference between simple and compound
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FINANCE 411 – SUMMER 2012 ASSIGNMENT 2 DUE DATE: June 4‚ 2012 [Submit a Hard Copy and via Drop Box; Keep a copy ] http://www.globefund.com/ http://www.globefund.com/review/ http://globefunddb.theglobeandmail.com/gishome/plsql/gis.co_search 1. Choose 1 fund from the Globe and Mail 15-Year Mutual fund Review issue [on internet] as follows: 1. fund names start with the same letter as your surname [or as close as possible] 2. 1 Canadian
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and standard deviation of the probability distribution created by rolling a die. Either show work or explain how your answer was calculated. Descriptive Statistics: Die1 Variable Mean StDevDie1 3.450 1.317Mean: 3.50 Standard deviation: 1.317Calculations were derived by using the minitab and going into the Stat > Basic Statistics > Display Descriptive Statistics > Variables than select the C14 (Die1) > below enter the statistics and check mark only mean and standard deviation
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10 = 10% 3. Now calculate the standard deviations and coefficients of variation of returns for the five alternatives. (Hint: Coefficient of variation of return is defined as the standard deviation divided by the expected rate of return. It is a standardized measure of risk that assesses risk per unit of return). 1-Year T-Bill Variance = (0.10 x [.07-.07]2)+ (0.20 x [.07-.07]2) + (0.40 x [.07-.07]2) + (0.20 x [.07-.07]2) + (0.10 x [.07-.07]2) = 0 Standard Deviation = 0 = 0% Coefficient of variation
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measure is the standard deviation. Standard Deviation: It is a measure of the values of the variables around its mean or it is the square root of the sum of the squared deviations from the mean divided by the number of observances. The arithmetic mean of the returns may be same for two companies but the returns may vary widely. This can be illustrated with an example. Now let us take two companies A and B to calculate the expected returns. COMPANY A standard deviation is affected by the
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1.2 Below we list several variables. Which of these variables are quantitative and which are qualitative? Explain. a. The dollar amount on an accounts receivable invoice. Answer – Quantitative as the value is a number b. The net profit for a company in 2009. Answer – Quantitative as the value is a number. c. The stock exchange on which a company’s stock is traded Answer – Qualitative as it is descriptive or categorical. d. The national debt of the united states in 2009. Answer
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skewed-right distribution with a mean of 10 minutes and a standard deviation of 8 minutes. Suppose 100 flights have been randomly sampled. Describe the sampling distribution of the mean waiting time between when the airplane taxis away from the terminal until the flight takes off for these 100 flights. a) Distribution is skewed-right with mean = 10 minutes and standard error = 0.8 minutes. b) Distribution is skewed-right with mean = 10 minutes and standard error = 8 minutes. c) Distribution is approximately
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were used. These are the density‚ relative error and the standard deviation. Density is refers to the mass (m) per unit volume (V) of a material and is often represented by the symbols d or ρ‚ where d = m/V. The density of an object changes with pressure and temperature. Second‚ relative error is a calculated by finding the difference between the true and measured values and dividing this difference by the true answer. And‚ the standard deviation is the measure of the spread of dispersion of scores (density)
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at different temperatures. After this‚ equipment called colorimeter will be used to take a reading for absorbency. The readings for the absorbency will be repeated three times in order to find the mean of each sample and to also find out the standard deviation of each set of data which will be recorded in a table format. The temperature rising will cause damage to the cell membrane due to the temperature rising above the membranes temperature. The mean absorbency will be calculated from five different
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confidence intervals verses point estimates? The sample mean is a point estimate (single number estimate) of the population mean – Due to sampling error‚ we know this is off. Instead‚ we construct an interval estimate‚ which takes into account the standard deviation‚ and sample size. – Usually stated as (point estimate) ± (margin of error) • What is meant by a 95% confidence interval? That we are 95% confident that our calculated confidence interval actually contains the true mean. • What is the
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