Wilcoxon - Samenvattingen, Aantekeningen en Examens

Dit is een samenvatting van het vak Statistiek 2 in semester 1 van het 2e jaar. Het document omvat de nodige informatie uit de PowerPoint slides en het handboek en extra uitleg vanuit de les.

Six Sigma Black Belt Session 9 Questions and Answers Rated A+ A researcher believes that Drug A is more effective (has a larger mean) than Drug B. What is an appropriate alternative hypothesis for any test he may conduct (note: μ = mean)? A) μ A > μ B B) μ A - μ B > 0 C) μ B < μ A D) All of the above E) None of the above D) All of the above What is the false rejection of the null hypothesis called? A) Level of significance B) Type I error C) Level of confidence D...

Part 1: Understanding Statistical Methods 1. Identifying Levels of Measurement: Nominal, Ordinal, Interval, and Ratio 2. Identifying Probability and Nonprobability Sampling Methods in Studies 3. Understanding the Sampling Section of a Research Report: Population, Sampling Criteria, Sample Size, Refusal Rate, and Attrition Rate 4. Understanding Reliability of Measurement Methods 5. Understanding Validity of Measurement Methods 6. Understanding Frequencies and Percentages 7. Interpreting Line Gra...

CPCE Sample Test Questions and Answers 2023 Kohlberg's theory of moral development includes 3 progressive levels culminating in... A. self-actualization, wherein the individual is fully humanistic. B. principled thought, wherein the individual adopts a self- accepted set of standards of behavior. C. androgyny, wherein the individual exhibits both male and female stereotypic behaviors. D. personhood, wherein the individual is free from moral dilemmas. B A professional counselor de...

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A researcher believes that Drug A is more effective (has a larger mean) than Drug B. What is an appropriate alternative hypothesis for any test he may conduct (note: µ = mean)? A) µ A > µ B B) µ A - µ B > 0 C) µ B < µ A D) All of the above E) None of the above : D) All of the above What is the false rejection of the null hypothesis called? A) Level of significance B) Type I error C) Level of confidence D) Confidence interval E) Type II error : B) Type I error 2 ...

PSYC 515 Module 5: Week 5 Quiz: Non-parametric Tests Concepts Score for this quiz: 50 out of 50 Submitted Jul 18 at 7:13am This attempt took 21 minutes. Question 1 0 / 0 pts I have read and understand the Academic Honor policy as outlined in the Online Honor Code for Liberty University Online. I agree to abide by this policy and that the work submitted herein is my own. Yes No Question 2 2 / 2 pts Wilcoxon rank-sum test is to _____ as Wilcoxon matched-pairs signed-ranks T test is to _____. ordin...

BCPS Exam | questions and answers 2023/24 Unpaired T-test - Continuous data 2 independent samples Paired T-test - Continuous data 2 paired samples ANOVA - Continuous outcome data Categorical exposure data 3+ independent variables ANCOVA - Continuous outcome data Categorical exposure data 3+ independent variables Controls for covariates Wilcoxon Rank Sum Test (Mann-Whitney U Test) - Ordinal data 2 independent samples Wilcoxon Signed Rank Test - Ordinal data 2 paired sampl...

PSYC 515 Module 5: Week 5 Quiz: Non-parametric Tests Concepts Score for this quiz: 50 out of 50 Submitted Jul 18 at 7:13am This attempt took 21 minutes. Question 1 0 / 0 pts I have read and understand the Academic Honor policy as outlined in the Online Honor Code for Liberty University Online. I agree to abide by this policy and that the work submitted herein is my own. Yes No Question 2 2 / 2 pts Wilcoxon rank-sum test is to _____ as Wilcoxon matched-pairs signed-ranks T test is to _____. ordin...

AQA A-level PSYCHOLOGY Paper 2 Psychology in context Thursday 25 May 2023 Materials For this paper you may use: • a calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions. Afternoon Time allowed: 2 hours • You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages. • If you need extra space for your answer(s), us...