Which statistical tests to use
[DOC File]Statistical Tests - University of Washington
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Which test should you use? # of groups OR conditions Type of design Assumptions Type of test to use 1 sample Single sample 1, 2, 4 & 5 are all met Single sample z-test 1 sample Single sample 1, 2, & 4 are all met Single sample t-test 2 Independent (Between) groups 1, 2 & 3 are met Independent t-test 2 Independent (Between) groups
[DOC File]Statistical Tests - Michigan State University
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Lab #9 - Statistical Tests. Review: Correlation. Used when interested in assessing the strength of association between two variables. Used with continuous variables ( is the Greek letter rho, which is the population parameter tested in hypotheses (remember what parameters are from intro statistics?) r is the sample statistic that corresponds with
[DOCX File]math.arizona.edu
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Statistical tests: Significance tests use an elaborate vocabulary, but the basic idea is simple: an outcome that would rarely happen if a claim were true is good evidence that the claim is not true. Example: I’m a great free-throw shooter. I claim that I make 80% of my basketball free throws. To test my claim, you ask me to shoot 20 free throws.
[DOC File]Statistical Tests of Models That Include Intervening Variables
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Statistical Tests of Models That Include Mediating Variables(Consider a model that proposes that some independent variable (X) is correlated with some dependent variable (Y) not because it exerts ...
[DOC File]3) According to the US Chamber of Commerce, the annual ...
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CHAPTER 8: FROM ESTIMATION TO STATISTICAL TESTS: HYPOTHESIS TESTING FOR ONE POPULATION MEAN AND PROPORTION. PRACTICE PROBLEMS. 1. According to the US Chamber of Commerce, the annual average loss due to employee theft is $785 per employee. Take this as your population value. You take a random sample of 150 companies that are owned by their ...
[DOC File]Sample Experiments for some Statistical Tests
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Sample Experiments for some Statistical Tests. Type: Univariable, no independent variable, dependent variable is continuous. Ten subjects in biology class, at the beginning of the school year, took a pretest of general scientific knowledge. At the end of the year they took the …
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