STA9708 Regression Analysis: Literacy rates and Poverty rates As we are aware‚ poverty rate serve as an indicator for a number of causes in the world. Poverty rates are linked with infant mortality‚ education‚ child labor and crime etc. In this project‚ I will apply the regression analysis learned in the Statistics course to study the relationship between literacy rates and poverty rates among different states in USA. In my study‚ the poverty rates will be the independent variable (x) and literacy
Premium Statistics Regression analysis Errors and residuals in statistics
FINA 5210 Problem Set 1 (Group 305) Problem 1 (a) WpC=[E(rp)-rf] ÷Aσp2 =6%÷2.5×(20%)2 =60% WfC=100% - 60% = 40% (b) Expected return of Complete portfolio is: rCEc= WpC×E(rp)+ WfC×rf =60%×10% + 40%×4% =7.6% The standard deviation of Complete portfolio is: σc = WpC × σp = 60% × 20% = 12% Certainty-equivalent rate of return for investing in C: rc CE= Uc = rCEc- 1/2Aσc2 = 7.6% - 0.5×2.5×12%2 = 5.8% Certainty-equivalent rate of return for investing in P: rp CE= Up= rCEp- 1/2Aσp2
Premium Standard deviation Investment Normal distribution
1 of 11 ID: MST.CPD.UD.03.0010 William is a quality inspector for an appliance manufacturer and is currently testing an oven. The oven starts off at room temperature‚ which is 70 degrees Celsius. William turns the oven to 167 degrees. The temperature in the oven increases from 70 degrees to 167 degrees over the following 10 minutes at a constant rate‚ so that the temperature follows a uniform distribution over the interval between 70 degrees and 167 degrees. At a randomly chosen time during that
Premium Probability theory Random variable Normal distribution
88 0.58 4.43 4.17 6.64 1.20 Median 0.56 16.00 11.50 15.50 12.00 316.80 106.00 205.30 80.50 Mode 0.69 16.00 11.00 16.00 9.00 316.80 76.50 Standard Deviation 0.21 5.38 3.00 4.98 3.28 25.05 23.62 37.56 6.81 Sample Variance 0.04 28.91 9.02 24.78 10.78 627.34 557.72 1410.42 46.39 Kurtosis -1.28 1.02 0.10 1.19 -0.45 1.41 -0.63 0.07 -0.37 Skewness -0.05 0.45 0.61 0.58 0.19 0.83 0.49 -0.39 0.15 Range 0.75 26.00 12.00 24.00 13.00 113.40
Premium Regression analysis Statistics Variance
definition of the kth origin moment‚ we have: k = (1) Whether X is discrete or continuous‚ 1 = E(X) = ‚ i.e.‚ the 1st origin moment is simply the population mean (i.e.‚ 1 measures central tendency). (2) Since the population variance‚ 2‚ is the weighted average of deviations from the mean squared over all elements of Rx‚ then 2 = E[(X )2] = 2. Therefore‚ the 2nd central moment‚ 2 = 2‚ is a measure of dispersion (or variation‚ or spread) of the population. Further‚ the
Premium Standard deviation Normal distribution Variance
based out of California and was hit very hard by the recent earthquake. The first thing that is necessary to do in this situation is to look into the historic performance of the stocks verse the rest of the market. This is done by calculating the variance of all the stocks‚ and the covariance of the stock to the rest
Premium Mutual fund Investment Bond
McGill University Advanced Business Statistics MGSC-372 Review Normal Distribution The Normal Distribution aka The Gaussian Distribution The Normal Distribution y 1 f ( x) e 2 1 x 2 2 x Areas under the Normal Distribution curve -3 -2 - 68% 95% 99.7% + +2 +3 X = N( ‚ 2 ) Determining Normal Probabilities Since each pair of values for and represents a different distribution‚ there are an infinite number of possible normal distributions
Premium Normal distribution Standard deviation Probability theory
NORMAL DISTRIBUTION 1. Find the distribution: a. b. c. d. e. f. following probabilities‚ the random variable Z has standard normal P (0< Z < 1.43) P (0.11 < Z < 1.98) P (-0.39 < Z < 1.22) P (Z < 0.92) P (Z > -1.78) P (Z < -2.08) 2. Determine the areas under the standard normal curve between –z and +z: ♦ z = 0.5 ♦ z = 2.0 Find the two values of z in standard normal distribution so that: P(-z < Z < +z) = 0.84 3. At a university‚ the average height of 500 students of a course is 1.70 m; the standard
Premium Normal distribution Standard deviation Probability theory
CLICK TO DOWNLOAD MAT 540 WEEK 1 TO 11(Strayer) MAT540 Week 1 Homework Chapter 1‚ Problems 2‚ 4‚ 12‚ 14‚ 20‚ 22 2. The Retread Tire Company recaps tires. The fixed annual cost of the recapping operation is $60‚000.The variable cost of recapping a tire is $9.The company charges $25 to recap a tire. a. For an annual volume of 12‚000 tires‚ determine the total cost‚ total revenue‚ and profit. b. Determine the annual break-even volume for the Retread Tire Company operation. 4. Evergreen
Premium Variance Costs Variable cost
MBA 570 Homework Questions Chapter 1 and 2 Chapter 1 (1-20) Mysti Farris (See problem 1-19) is considering raising the selling price of each cue to $50 instead of $40. If this is done while the costs remain the same‚ what would the new breakeven point be? What would the total revenue be at this breakeven point? (Given in problem 1-19: fc of 2400 and vc of 25) (1-21) Mysi Farris (see problem 1-19) believes that there is a high probability that 120 pool cues can be sold if the selling price
Premium Normal distribution Random variable Standard deviation