Shapiro wilks - Study guides, Class notes & Summaries

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Nonparametric tests, categorical and ordinal data Complete Final Quiz Updated Questions and Answers 100% A+ Graded
  • Nonparametric tests, categorical and ordinal data Complete Final Quiz Updated Questions and Answers 100% A+ Graded

  • Exam (elaborations) • 21 pages • 2024
  • Nonparametric tests, categorical and ordinal data Complete Final Quiz Updated Questions and Answers 100% A+ Graded What are parametric tests? - CORRECT ANSWER-t-test, z-test, ANOVA Tests hypotheses regarding population parameter (means) Assumptions: sample is drawn from an approximately normal distribution. Confirm with statistic tests (Shapiro Wilks; Anderson Darling), look at distribution (frequency histogram),some non-normality can be tolerate (robust against departures from normalit...
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EXERCISE 26 DETERMINING THE NORMALITY OF A DISTRIBUTION TESTBANK 2024 WITH COMPLETE SOLUTIONS
  • EXERCISE 26 DETERMINING THE NORMALITY OF A DISTRIBUTION TESTBANK 2024 WITH COMPLETE SOLUTIONS

  • Exam (elaborations) • 5 pages • 2023
  • 2. How would you characterize the skewness of the distribution in Question 1—positively skewed, negatively skewed, or approximately normal? Provide a rationale for your answer. Answer: In a positively skewed distribution, the largest portion of data is below the mean, whereas in a negatively skewed distribution, the largest portion is above the mean. This distribution is negatively skewed because the age of enrollment got progressively higher/bigger with time 3. Compare the original skewne...
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Statistics Review Questions with 100% Correct Answers
  • Statistics Review Questions with 100% Correct Answers

  • Exam (elaborations) • 5 pages • 2024
  • What does the Standard error tell us about the sample? - Standard error of the sample mean is an estimate of how far the sample mean is likely to be from the population mean True or false: Stratified is a type sampling for non-probability - false: it is a type of probability sampling The smallest difference a patient would recognize as being beneficial to his or her condition, resulting in a change in the management of the patient without cost or side effects is known as the ____________...
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statistics questions with complete Answers 2023
  • statistics questions with complete Answers 2023

  • Exam (elaborations) • 4 pages • 2023
  • statistics questions with complete Answers 2023 Statistic Question Statistic Answer What are the boundaries of the confidence interval based on? The sample mean and its standard error True or False: Inductive Reasoning: "top-down" logic. Uses the process of reasoning from one or more general statements to reach a logically certain conclusion. FALSE Three general assumptions of a Parametric Test "Samples are randomly drawn from populations with ""normal distribution...
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Biostats Study Guide
  • Biostats Study Guide

  • Class notes • 14 pages • 2023
  • Basically everything on this study guide is what will be taught by Professor Raciti throughout the course. If you just study off of this you should be able to pass the midterm and the final. Plus the quizzes he gives every week.
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