Standard deviation rule - Study guides, Class notes & Summaries

Pie chart numerical measure: percentages best used When displaying categories as parts of the whole Bar chart (bar graph) Category counts or frequencies best used when displaying counts or frequencies for each category individually Dot Plot 5-number summary (max, Q1, median, Q3, max) Smaller data set; useful to display the distribution and show gaps and outliers (quantitative) Stem Plot (stem-and-leaf plot) 5-number summary (max, Q1, median, Q3, max) Smaller data sets; useful to disp...

CFA Level 1 Formulas || With 100% Accurate Formulas CFA Level 1 Formulas || With 100% Accurate Formulas Sharpe Ratio - ANSWER - Risk of portfolio - risk free / Standard deviation of portfolio Joint Probability - ANSWER - P(AB) = P(A|B) * P(B) Addition rule - ANSWER - P(A or B) = P(A) + P(B) - P(AB) Multiplication rule - ANSWER - P(A and B) = P(A)*P(B) Total Probability Rule - ANSWER - P(A) = P(A|B1)*P(B1)...+P(A|B2)*P(B2) Expected Value - ANSWER - P(x)*(x) Covariance - ANSW...

BANA 2372 Chapter 5 Exam Questions with Correct Answers Which of the following is NOT one of the three methods for finding binomial probabilities that is found in the chapter on discrete probability distributions? - Answer-using a simulation In the binomial probability formula, the variable x represents the - Answer-In the binomial probability formula, the variable x represents the number of successes. If calculations are time-consuming and if a sample size is no more than 5% of the siz...

CMT Level 3 Exam Guide ( Update) The Integration of Technical Analysis | Questions and Verified Answers| Grade A| 100% Correct Q: 3 steps added to trading plan to limit major disadvantage of trend following system Answer: 1. reduce size or not trade during trendless period (employ trending indicator to determine) 2. reduce trading or stop after equity curve declines by pre-defined amount. 3. reduce or stop trading after equity curve entered pre-defined downtrend. Q: 3 major dis...

Which is the following is correct? a. The probability of a type I error is β. b. The probability of a type II error is (1 - β). c. The probability of a type II error is α. d. The probability of a type I error is (1 - α). e. none of the above ~~> e. none of the above A manufacturer of contact lenses is studying the curvature of the lenses it sells. In particular, the last 500 lenses sold had an average curvature of 0.5. The population is 2 | P a g e | © copyright 2024/2025 | G...

null hypothesis (H0) - the statistical hypothesis tested by the statistical procedure; usually a hypothesis of no difference or no relationship Interquartile Range (IQR) - the difference between the first and third quartiles (middle 50% of observations) dichotomous measure - describes the presence or absence of an attribute (ex smoker/nonsmoker) nominal data - categories that vary with no natural order (ex blood types) ordinal data - categories with natural order but without clear units (e...

PVL3703 PORTFOLIO MEMO - MAY/JUNE 2024 - SEMESTER 1 - UNISA - DUE 14 MAY 2024 (DETAILED ANSWERS - DISTINCTION GUARANTEED!) QUESTION 1 Lerato while taking her routine morning jog in her neighbourhood was attacked by Jabulani's fierce rottweiler dog, named Butch. Butch charged at Lerato unexpectedly. Lerato, a licensed firearm owner, fearing for her safety shot and killed Butch. Bearing the aforesaid in mind, answer the following questions: 1.1 Discuss with reference to authority if...

UCF QMB 3200 Final Exam Questions with Verified Solutions Doubling the size of the sample will reduce the standard error of the mean The sample mean is the point estimator of U A simple random sample of size n from an infinite population of size N is to be selected. Each possible sample should have the same probability of being selected Which of the following statements regarding the sampling distribution of sample means is incorrect? The standard deviation of the sampling distr...

T/F: Every estimator has a sampling distribution that is identical to the distribution of the population of interest - ANSWER False T/F: Chebychev's Theorem is used to help understand the concept of a standard deviation and applies to any random variable - ANSWER True T/F: The empirical rule is used to help understand the concept of the location of a population and applies only to symmetric unimodal continuous random variables - ANSWER False T/F: The empirical rule is used to help underst...

Test Bank for The Analysis of Biological Data 3e 3rd Edition by Michael C. Whitlock, Dolph Schluter ISBN-13: 4433 PART 1 INTRODUCTION TO STATISTICS 1.0 Statistics and samples 1.1 What is statistics? 1.2 Sampling populations 1.3 Types of data and variables 1.4 Frequency distributions and probability distributions 1.5 Types of studies 1.6 Summary Interleaf 1 Correlation does not require causation 2.0 Displaying data 2.1 Guidelines for effective graphs 2.2 Showing data for one va...