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[DOC File]STA 5126 / 007 - Statistical Methods for the Social Sciences
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The hypothesis test for the mean of a population: the t-test. A confidence interval for the mean of a population: the t-interval. Comparing the means in two dependent samples: the paired t-test. Comparing the means in two independent samples: the two-sample t-test. Assumptions of t-tests. Comparing variances in two independent samples
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[DOC File]Chapter 11 2nd Edition - Tarleton State University
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The two independent samples pooled t-test is a powerful technique for comparing the means of two populations, provided that the assumptions hold. What if some of the assumptions are not satisfied? If the sample sizes are large enough to apply the central limit theorem (and ), then the assumption of normal populations is less crucial, since the ...
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[DOC File]Power and Sample Size Calculation
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', then select the design you want to use. (the designs available in that menu include: one-sample t-test, paired t-test, two sample t-test and one-way ANOVA). 8). After you select the design another window pops-up and asks you to input the needed options and parameters. If you need to know the needed sample size for your research, you can select '
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[DOCX File]Home - Houston County School District
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-Test for the Difference Between Means (Small Independent Samples) Use Stats Test 2-SampTTest. ... x+b” the calculator calls it “y= a. x+b” ... Graphing a Linear Regression T Test. Again, choose a statplot to view the points entered in List1 or List2.
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[DOCX File]T-Tests on SAS
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t-test of the null hypothesis that difference scores have a mean of zero in the population. Note how I computed those difference scores (t_diff, L_diff, and v_diff) in the data step. Because I wanted to test the animals' response to the two types of tunnels separately for each nursing group, I sorted by nursing group and then did the . t-tests ...
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[DOC File]Z-test for Means Formulas
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Independent Samples t-test HW. Recall the following problem from lab: In an attempt to show that the Graduate Record Exam is generally biased against Hispanics, a psychologist obtains quantitative GRE scores (range 100 to 800) of 16 Caucasians and 9 …
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[DOC File]Lycoming College
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Independent-Samples T Test. dialog box. Step 2: In the . Independent-Samples T Test. dialog box, you should see a list of the variables on the left. Select expenses, and click on the arrow button pointing toward the . Test Variable(s) section of the dialog box; then select sales, and click on the arrow button pointing toward the . Test Variable ...
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[DOCX File]University of Baltimore
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October 6 (Week Six)Probability and Samples, 7/8. Introduction to Hypothesis Testing. October 13 (Week Seven)Finish hypothesis testing8. October 20 (Week Eight)The t-test for Two Independent Samples9/10. The t-test for Related Samples. October 27 (Week Nine)Introduction to Analysis of Variance13. November 3 (Week Ten)SECOND EXAM, Chapters 7-10, 13
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[DOCX File]SPPA 615 Research Project
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repeated measures t-test) or ‘online calculator independent groups . t-test’(or. independent samples t-test). For a reminder on what this means, look for Repeated measures vs. independent groups … on my 6190 web page.) The main purpose of the project is to identify an interesting question (although not necessarily an original idea), to ...
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Independent samples t test calculator