Wilcoxon signed rank test - Study guides, Class notes & Summaries
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WGU C224 - STUDY GUIDE WITH COMPLETE SOLUTIONS.
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Characteristics of Quantitative Research 
numerical data (quantity); hypothesis & research procedure are stated BEFORE data collection; large sample size; rely on statistical procedure; low interaction with subjects; rely on controlling, measuring, and generalizing; objective by nature 
 
 
 
Quantitative Methods/Designs 
survey research; correlational research; causal comparative; experimental; single subject experimental 
 
 
 
Sampling techniques for quantitative research 
simple random; stra...
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Test Bank for Introduction to Probability and Statistics, 15th Edition by William Mendenhall
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Test Bank for Introduction to Probability and Statistics 15e 15th Edition by William Mendenhall, Robert J. Beaver/Barbara M. Beaver. Full Chapters test bank included 
 
Chapter 1: Describing Data with Graphs 
1.1 Variables and Data 
Types of Variables 
Exercises 
1.2 Graphs for Categorical Data 
Exercises 
1.3 Graphs for Quantitative Data 
Pie Charts and Bar Charts 
Line Charts 
Dotplots 
Stem and Leaf Plots 
Interpreting Graphs with a Critical Eye 
Exercises 
1.4 Relative Frequency Histograms 
...
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OCCT5004 Questions and Correct Answers | Latest Update | A+
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instrumentation effects 
Ans: a threat to validity that is minimized by using a reliable outcome of measure and using 
a standardised protocol to administer to the measure 
Spurious 
Ans: When two or more events that are actually independent of one another appear to be 
related. Might be because the events occur at the same time by coincidence or because of an 
unseen third (confounding) variable 
generalizability 
Ans: refers to external validity 
p<0.05 
Ans: generally accepted alpha val...
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PSYC 515 Module 5: Week 5 Quiz: Non-parametric Tests Concepts 2023 worth 50 points.
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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...
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Exercise 22 Understanding Wilcoxon Signed-Rank Test
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Exercise 22 Understanding Wilcoxon Signed-Rank Test
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BCPS Exam August 2023
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BCPS Exam August 2023
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BCPS Exam August 2022 updated rated A+ already passed
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BCPS Exam August 2022 updated rated A+ already passedUnpaired T-test 
Continuous data 
2 independent samples 
 
 
 
Paired T-test 
Continuous data 
2 paired samples 
 
 
 
 
 
 
00:20 
 
01:13 
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 ...
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NSG 522 Midterm Exams Questions And Answers 100% Verified.
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NSG 522 Midterm Exams Questions And 
Answers 100% Verified. 
Linear Regression - answerUsed when there is two variables and both are at the interval/ratio 
level 
y=bx+a (b is the slope= tells us each 1 unit change in x while cause a change in y) 
Logistical regression - answerused when the dependent variable is at the categorical level 
(nomainl/ordinal) 
this is an odds ratio (probability that something will happen divided by probability that 
something won't happen) (ratio/categorical) 
regr...
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HSCI 190 - Practice Test fully solved & updated
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Interval variables contain a true zero. True of false? - answer-False 
 
Which of the following statements are true with respect to ordinal data? 
The numbers represent categories 
The order of the values have meaning 
The distance between values can be calculated 
The numbers represent actual measurable quantities - answer-All are true 
 
Which of the following would be the best measure of dispersion or spread for a study evaluating quality of life on a 1 to 5 scale? 
Standard error 
Interquart...
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CPCE: Research and Program Evaluation Exam 77 Questions with Answer,100% CORRECT
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CPCE: Research and Program Evaluation Exam 77 Questions with Answer 
 
 
Research vs. Evidence Based Inquiry - CORRECT ANSWER Research: the systematic process of collecting and analyzing data for some purpose such as investigating a problem or answering a question. 
 
Evidence-based inquiry: the search for knowledge using empirical data which has been gathered systematically. 
 
Quantitative Research - CORRECT ANSWER Assumes social facts have a single objective reality. 
 
Tends to study samples...
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