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[DOC File]One Sample T-Test
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Perform the appropriate t test to find out. Discussion Notes. t-Test for Two Correlated Samples. This test is based on the t distribution, a set of values based on the normal curve that is suitable for small samples (
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[DOC File]Example SPSS Output for T-Test for Difference in Means
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The Paired-Samples T Test procedure compares the means of two variables for a single group. The procedure computes the differences between values of the two variables for each case and tests whether the average differs from 0.
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Two-Sample t-Test | Introduction to Statistics | JMP
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
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[DOC File]HYPOTHESIS TESTING: AN EXAMPLE
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Doing the T-Test Procedure in SPSS. Start SPSS. Analyze, Compare Means, Independent Samples T-Test (Note: “Independent Samples T-test means that there are two groups, and we are comparing the means of the two groups.) Make the variable for which you want to compute a mean the “Test Variable”
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[DOC File]Independent T-Tests
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Using the same data, follow the instructions from the Independent-samples t Test lab. This means you will stack the data from the group that stood on two feet beneath the data from the group that stood on one foot, creating a grouping variable next to these scores to indicate which scores came from Group 1 (one foot) vs. Group 2 (two feet).
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[DOC File]2-Sample t-test – Independent Samples
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Pooled-t test. Definitions Two samples are . independent. if the sample values selected from one population are not related to or somehow paired or matched with the sample values selected from the other population. If there is some relationship so that each value in one sample is paired with a corresponding value in the other sample, the ...
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[DOC File]Pooled-t test
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1. type of t-test conducted and assumptions met. 2. t value . 3. degrees of freedom. 4. p value. 5. M, SD, and n for each group. An independent samples t-test was used to compare mean scores on the GHSGT Science section of students in the college prep track (n = 608) and students enrolled in …
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T test for two samples