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[DOC File]Chapter 10: The t Test for Two Independent Samples
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A portion of the t-distribution table. The numbers in the table are the values of t that separate the tail from the main body of the distribution. Proportions for one or two tails are listed at the top of the table, and df values for t are listed in the first column. Critical values of t for a two-tailed test, df =3, ( = .05 + 3.182 (3.182.025 ...
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[DOC File]INTRODUCTION TO T-TESTS
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Title: Critical Values for Bonferroni’s Method of Multipe Comparisons Author: larry.winner Last modified by: winner Created Date: 10/6/2003 3:03:00 PM
critical values for t test

[DOC File]Table 3 SURADF Tests and Critical Values
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The critical value is for two tail test and you are looking for both a left hand and a right hand tail, so don’t forget to add plus or minus! In our example you’d get ±1.96. Note: Looking the table in this manner (step 3 & 4) is sometimes called the “inverse use” of area table) Table …
critical values of t table

[DOC File]Finding the critical value of alpha for two-tailed test
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These are the critical values for a one-tail sign test, at various levels of significance. (Source: Dixon & Massey. Introduction to Statistical Analysis, 3rd Ed. New York: McGraw-Hill, 1969, as quoted in Johnson. Elementary Statistics, 7th Ed. Belmont, Calif.: Duxbury, 1996.)
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[DOC File]Critical Values for the Sign Test
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The computed statistic is t = -1.07 but the critical value from t-table = 2.131. Conclusion: There is no reason to reject that = 12.5. Question for you: Given the same sampling information perform the test H0: = 11 vs 11 at = .01.
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[DOC File]STATISTICS - SUMMARY
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the standard deviation is equal to 1. b. the raw scores are negative ... In a single-sample t-test, what are the respective critical values for: A. α =.05, n=10, two-tailed test. B. α =.01, n=31, one-tailed test ... The results are given in the table. Perform a goodness-of-fit test on these data, using α = .05. KTVO KMDT KLPF KZTV. 220 200 ...
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How to Use Excel to Find the Critical T-Value | Techwalla.com
Major difference between t and z: tails of t are more plump. center is more flat Table of the t-distribution: Table B.2. Values represent critical values (CV) Values mark proportions in the tails . t is symmetric, so negative values not tabled. Need three things: (1) one-tailed or two-tailed hypothesis (2) alpha ( ) level of significance (3 ...
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[DOC File]Critical Values for Bonferroni’s Method of Multipe Comparisons
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The null of stationary cannot be rejected by either the homogeneous or the heterogeneous long-run version of the test if we use the bootstrap critical values, as shown in Panel C of Table 4. Taken together, our results suggest that the panel data set of per capita real GDP is stationary when we introduce structural breaks into the model.
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[DOC File]Numerical Examples for Statistical Tables
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One Sample T-test tests if mean of a single group differs from some constant. Independent Samples - most common test - use this one to compare two groups. Paired T-test - is when you have repeated measures on a single sample, e.g. a pre- and post test score and want to test “gain scores” of individuals vs means of two tests.
z distribution critical values table

[DOC File]INTRODUCTION TO T-TESTS
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With df = 30 and α = .05, the critical region consists of t values beyond (2.042. The t statistic is in the critical region. Reject H0 and conclude that there is a significant difference. c. r2 =4.35/34.35 = 0.127 or 12.7%. 13. a. Using df = 30, , because 34 is not listed in the table, and α = .05, the critical region . consists of t values ...
critical values for t test

T test critical values table