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[DOCX File]Bryan W. Griffin's Web
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It is possible to report paired-samples t-test results in either textual or tabular format, but the tabular format is preferred. Both options are provided below. (a) Tabular Format. Two examples are provided: Table 7 shows a t-test for blood pressure data, and . Table 8 provides results from three t-tests reported simultaneously in one table.
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[DOC File]Example SPSS Output for T-Test for Difference in Means
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To interpret the t-test results, all you need to find on the output is the p-value for the test. To do an hypothesis test at a specific alpha (significance) level, just compare the p-value on the output (labeled as a “Sig.” value on the SPSS output) to the chosen alpha level. Alternatively, you could just report the p-value, rather than ...
2 sample t test example

[DOC File]2-Sample t-test – Independent Samples
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2-Sample t-test – Independent Samples. Dataset: Cloud Seeding Experiment. Dependent Variable: Rain-gage Depth (mm) of rainfall in cloud-seeded test area. Independent Variable: Seeded/Not seeded on that day (Seed=1 if Yes, 0 if No) SPSS Instructions: Enter data in two columns: One for Seed, and other for Depth. Using Variable View, NAME
2 sample t test power

[DOC File]2-sample t-test
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Testing Hypotheses about Means (§8.2-2) : Two-Sample t Test. Topics: Hypothesis testing with population means. One-sample problem: Testing for a Population mean . Assume population SD is known: use a . z. test . Assume population SD is not known: use a t test . Two-sample problem: : Testing for 2 population means . A Special Case: the Paired t ...
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[DOC File]HYPOTHESIS TESTING: AN EXAMPLE
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One-Sample t-Test – Example 2 (Memory Booster) ANSWER KEY A nutrition store in the mall is selling “Memory Booster,” which is a concoction of herbs and minerals that is intended to improve memory performance, but there is no good reason to think it couldn't possibly do the opposite.
one sample t test

[DOC File]One Sample T-Test
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Results of the Independent Two-Sample T-Test Power Analysis. The dialog box above shows us that we approximately have power of .7085 to detect a statistically significant result in mean difference in exit time between the treatment and control conditions with an effect size of .66 at the alpha = .05 level.
independent 2 sample t test

[DOCX File]Communicating your Test Results (version 2)
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Communicating your Test Results (version 2) NOTE: This is a template to help you write a letter that informs parents and guardians of your lead in water test results and the action /s you are taking (or plan to take) to reduce the risk of exposure to lead in drinking water. This is the second letter you will send. Use this version if any of your samples came back at 2.01 ppb or greater.
2 sample t test graph

2 sample t test results