Parametric tests Samenvattingen, Aantekeningen en Examens

Which term describes the most frequently occurring value in a data set? 1. mode 2. mean 3. range 4. median - 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 parametric...

Nur 5366 Review Test Submission: Quiz Module 5 Content • Question 1 What must be done to decrease the chances of Type I and Type II errors? Answers : a. Decrease the number of variables. b. Increase the sample size. c. Decrease the sample size. d. Measure the sample characteristics Response Feedback: page 521 • Question 2 Which of the following tests is essentially a comparison of means? Answers : a. Pearson's correl...

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...

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...

NCE + CPCE Questions TEST BANK. All Examinable Questions with accurate answers. 100% Approved pass rate. FULL COVERAGE,0VER 200 QUIZZES ________ was a university professor in the late 19th and early 20th century who was an advocate for the career guidance movement and wrote several books about the importance of vocational counseling. In 1909, ______ most well-known book, Choosing a Vocation, was published posthumously and outlined the trait-factor theory of career development. Frank Pars...

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...

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. ...

Parametric test - Answer o Parametric tests have to do with populations and parameters (and a few other things) o There are number of assumptions to using parametric tests including: • The variable is measured at the interval or ration level • The values are normally distributed • There are no outliers o Parametric Procedures can only be used when: • Interval or ratio level data AND • Data are normally distributed AND • There are no outliers Nonparametric test - Answe...

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...

Epidemiology Questions Answered 100% correct Which of the following is not involved in the WHO definition of HEALTH? a) Physical and mental well being b) Social and mental well being c) Social and physical well being d) All of the above are involved D Which of the following is an objective of Epidemiology? a) Identify the frequency of the disease b) Identify the population of the disease c) Identify the etiology of the disease d) All of the above C Who is credited with f...