Non parametric tests - Samenvattingen, Notities en Examens

Sampling error (SEM) The difference between the sample value and the parameter. Error in a statistical analysis arising from the unrepresentativeness of the sample taken. Reflects the tendency for statistics to fluctuate from one sample to another. Sampling distribution Are actually probability distributions, is central to estimates of sampling error. Sampling distribution of the mean A theoretical probability distribution of the means of an infinite number of samples given size...

PSYC 515 SPSS5_RichardBouldin_515B02 SPSS WORKSHEET INSTRUCTIONS Answered 2024/2025 Latest Update 100% Verified . HOMEWORK: CHI-SQUARE SPSS ASSIGNMENT INSTRUCTIONS OVERVIEW This worksheet is designed to assess your ability to perform, interpret, report, and graphically present non-parametric tests using SPSS. Non-parametric tests are used for nominal data and/or when data do not meet the assumptions required of a parametric test. Knowledge of these tests provide fundamental skills to cri...

PSYC 515 Module 5: Week 5 Quiz: Non-parametric Tests Concepts 2023 worth 50 points. Quiz: Non-parametric Tests Concepts • Due Jul 30 at 11:59pm • Points 50 • Questions 26 • Time Limit 90 Minutes Instructions The quiz: • Covers the Learn material from Module 5: Week 5. • Contains 25 multiple-choice questions. • Is limited to 1 hour and 30 minutes. • Allows 1 attempt. • Is worth 50 points. This quiz is designed to assess un...

HSCI-190 Exam Prep with Questions and Answers Descriptive statistics ANSWER way of summarizing/ describing data so patterns can become apparent. The researcher can not generalize conclusions beyond the data that has been collected; included the visualization of data, measures central tendency, and variability. Inferential statistics ANSWER way of analyzing data to make general conclusions about the way the world works and includes concepts such as the standard error of the man (SEM) confid...

PSYC 515 SPSS5_RichardBouldin_515B02 SPSS WORKSHEET INSTRUCTIONS Answered 2023. HOMEWORK: CHI-SQUARE SPSS ASSIGNMENT INSTRUCTIONS OVERVIEW This worksheet is designed to assess your ability to perform, interpret, report, and graphically present non-parametric tests using SPSS. Non-parametric tests are used for nominal data and/or when data do not meet the assumptions required of a parametric test. Knowledge of these tests provide fundamental skills to critically evaluating and producing r...

Descriptive statistics Inferential statistics - __ are used to synthesize and describe data. It allows us to draw conclusions from the use of graphs, charts, and so on. __are used to make inferences about the population based on sample data. It allows us to say whether difference is significant. They infer or draw a conclusion, based on laws of probability. Mode Median--doesnt take into consideration outliers Mean - Differential: The __ is the number that occurs most fq in distribution. ...

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...

Which term describes the most frequently occurring value in a data set? 1. mode 2. mean 3. range 4. median - ANS 1. mode Why is it important to determine if a sample is normally distributed? 1. Because larger samples are usually not normally distributed 2. Because we cannot run statistical tests on samples that are not normally distributed 3. Because a normally distributed sample does not require advanced statistical tests 4. Because it will determine whether you can use a par...

NCS EXAM LATEST 2024

Which term describes the most frequently occurring value in a data set? 1. mode 2. mean 3. range 4. median Correct Answer 1. mode Why is it important to determine if a sample is normally distributed? 1. Because larger samples are usually not normally distributed 2. Because we cannot run statistical tests on samples that are not normally distributed 3. Because a normally distributed sample does not require advanced statistical tests 4. Because it will determine whether you can use a pa...