Determining appropriate statistical test
[DOC File]Using the decision tree - Illinois State University
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Summary worksheet: Determining which statistical test to use. To use the decision tree, you start on the left side and answer the question based on the description of the design of the research (i.e., the homework/lab/exam question). Based on the answer to the first question, take the appropriate path to the next question. And so on.
[DOC File]AP Statistics - Math For Life
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Discuss whether a statistical test is appropriate for determining whether there was a change in the mean percentage of women in the labor force, by city, between 1968 and 1972. In other words, determine whether the conditions will be met for a hypothesis test. b.
[DOCX File]Dr. Justin Bateh | Educator, Researcher, Consultant
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Step 4: Select the appropriate statistical test Once the hypothesis are stated, the study is designed, the statistical hypotheses are stated, and the data are collected it is time to analyze the data to determine whether there is evidence for the null or alternative hypothesis.
[DOC File]Attribute Sampling Plans Article: - AASCIF
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Suppose 4 sales orders lacked appropriate credit approval in the sample test, the auditor would project these results to the entire population by calculating the upper deviation rate-a statistical estimate of the maximum deviation rate in the population-this rate can be determined using a simple statistical table or a manual or computer ...
[DOC File]HYPOTHESIS TESTING: AN EXAMPLE
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Determine whether the value of the test statistic is in the critical region. Draw a picture. Is tobt in the critical region? yes. Should you reject or retain the H0? reject tobt = 3.13 tcrit = +1.833 . Step 5. Report the statistical results. t(9) = 3.13, p < .05. Step 6. Write a conclusion.
[DOC File]HYPOTHESIS TESTING: AN EXAMPLE
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Independent-Samples t Test – Example 2 (Self-Esteem) You are a researcher who is interested in determining whether dressing professionally increases self-esteem. You asked one group of participants to dress casually and a different group of participants to dress professionally for 1 week. ... Compute the appropriate statistical test ...
[DOCX File]Background - American Institute of Certified Public ...
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An auditor who applies nonstatistical sampling uses professional judgment to relate these same factors in determining the appropriate sample size. Paragraph .23 of AU section 350 indicates that ordinarily this would result in a sample size comparable to the sample size resulting from an efficient and effectively designed statistical sample ...
[DOC File]VALIDITY AND RELIABILITY
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Especially appropriate when the test is very long. The most commonly used method to split the test into two is using the odd-even strategy. Since longer tests tend to be more reliable, and since split-half reliability represents the reliability of a test only half as long as the actual test, a correction formula must be applied to the coefficient.
[DOC File]JustAnswer
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Feb 16, 2013 · Following are the factors that must be considered while choosing an appropriate statistical test for analysis of research data: (a) Scale of measurement of the variables (nominal, ordinal, interval or ratio) (b) Any assumptions that may be required regarding the population (c) Number of groups or samples (1, 2 or more than 2)
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