Univariate probabilities Samenvattingen, Aantekeningen en Examens

What to examine when assessing the bivariate relationship between a Factor predictor variable and a binary target variable? - Answer- A table to asses (with rows as factor levels) the mean probabilities, counts of observations of each factor, and counts of each observation of each binary target. What to examine when assessing the bivariate relationship between a Continuous predictor variable and a binary target variable? - Answer- - A graph with separate histograms for a continuous variable, ...

Documenting ETL Requirements - ANSWER-Has three sections: Requirements Summary - what it does, system, and type and frequency Standard: architectural framework, strategy, design conventions, describe the operation flow at the high level and dependencies Job-Level Details: ind. job. Course Chapters - High level Objectives - ANSWER-1) Understanding and Describing Data 2) The Basics of SQL for Analytics 3) SQL for Data Preparation 4) Aggregate Functions for Data Analysis 5) Window Functio...

What is the difference between parametric statistics and nonparametric statistics? - ANS -parametric: normal population with homogeneity of variance, and interval or ratio level data -nonparametric: not normal population with no homogeneity of variance, and nominal or ordinal level data Typically, the dependent variables are __________ or __________ level data in nonparametric statistics, with a sample size ____________ 30. - ANS nominal, ordinal, less than When would yo...

CFA Level 1 Terms Exam 234 Questions with Answers 2023 Standard 1A: Knowledge of the Law - CORRECT ANSWER Members and Candidates must understand and comply with all applicable laws, rules, and regulations (including the CFA Institute Code of Ethics and Standards of Professional Conduct) of any government, regulatory organization, licensing agency, or professional association governing professional activities. In the event of a conflict, Members and Candidates must comply with the more str...

Coursera - IBM D Sci. - Data Science Methodology fully solved 2023Business Understanding Gain a clear understanding of the business problem that must be solved and how it impacts the company Business Understanding Question What is the problem that you are trying to solve? Analytic Approach Question How can you use data to answer the question? Descriptive questions Questions that describe current status Diagnostic questions What happened? / Why is this happening? ...

CFA Level 1 Quantitative Methods Exam 318 Questions with Answers Three ways interest rates can be thought of - CORRECT ANSWER First, they can be considered required rates of return—that is, the minimum rate of return an investor must receive in order to accept the investment. Second, interest rates can be considered discount rates. In the example above, 5.26 percent is that rate at which we discounted the $10,000 future amount to find its value today. Thus, we use the terms "interest r...

CFA FINAL EXAMS 2022 GIPS ANS: 0. Fundamentals of compliance 1. Input data 2. Calculation methodology 3. Composite construction 4. Disclosures 5. Presentation and reporting 6. Real estate 7. Private equity 8. Wrap fee/Separately Managed Account (SMA) Portfolio Money-weighted return of IRR ANS: calculated using periodic cash flows into and out of an account and is the discount rate that makes the PV of cash inflows equal to the PV of cash outflows time-weighted rate of return ...

STA 2200 PROBABILITY AND STATISTICS II Purpose At the end of the course the student should be able to handle problems involving probability distributions of a discrete or a continuous random variable. Objectives By the end of this course the student should be able to; (1) Define the probability mass, density and distribution functions, and to use these to determine expectation, variance, percentiles and mode for a given distribution (2) Appreciate the form of the probability mass funct...

Detailed notes of week 5.: type 1 and 2 errors and counts explained