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[DOC File]Sign Test - David Michael Burrow
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CRITICAL VALUE. Use t-table. For the degrees of freedom in the critical value, use. df = n1 + n2 – 2. Your calculator will also give you the degrees of freedom. TEST STATISTIC. Without a graphing calculator, you would use the formula . On a TI-83, select Choice #4 (2-SampTTest) from the TESTS …
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[DOC File]X2 (Chi-Square)
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The test process is still the same: Look up a critical value. Calculate a test statistic. Compare, and make a decision. Critical Value: d.f. = (R – 1)(C – 1) one less than the number of rows. TIMES. one less than the number of columns. Your calculator will give this correctly. Look up d.f. and α in the X2 table.
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[DOC File]This chapter is an investigation into an area of ...
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1) Traditional Method (Critical Value Method) which is based upon comparison of the . test statistic to the z or t value for ( 2) P-value Method where the probability of the computed test statistic to the desired (. 3) Confidence Interval Method, which we touched upon in 8.4 with the interpretations.
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[DOC File]The Practice of Statistics
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What is the value of z* for a 95% confidence interval? Include a sketch. What is the value of z* for a 90% confidence interval? Include a sketch. What is the value of z* for a 99% confidence interval? Include a sketch. What is meant by the upper p critical value of the standard normal distribution?
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[DOC File]Survey Software - Crosstabs Software - Online and Paper ...
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Whenever we perform a significance test, it involves comparing a test value that we have calculated to some critical value for the statistic. It doesn't matter what type of statistic we are calculating (e.g., a t-statistic, a chi-square statistic, an F-statistic, etc.), the procedure to test for significance is the same. 1.
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[DOC File]Statistics Calculator - My Math Genius
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We computed the test statistic to be ~2.95. And the critical value or a 1 tail upper at 1% is 2.33 . And the p-value for a 1-tail “upper” test is .001609866. Conclusion: Since our p-value is
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[DOC File]Critical Values for Bonferroni’s Method of Multipe Comparisons
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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 Company: Warrington College of Business Other titles: Critical Values for Bonferroni’s Method of Multipe Comparisons
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[DOC File]Q SCI 381
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Ten randomly selected test subjects are chosen and pre-tested prior to receiving the new drug. The subjects were then placed on the drug for six months, after which their cholesterol levels were again tested. At an ( = .01, test the company’s claim that the drug lowers cholesterol levels. Subject 1 …
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[DOC File]Section 1
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A normality plot and a box plot indicate that the differences are approximately normal with no outliers. Test the claim that the new procedure reduces wait time at the α=0.05 level of significance. Requirements: Hypothesis H0: H1: Test Statistic: Critical Value: Conclusion: Using your calculator: If you have raw data: enter data in L1 and L2
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[DOC File]Chi-Square test for Qualitative Data
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Z Test Statistic -5.0014 Two-Tail Test Lower Critical Value -1.9600 Upper Critical Value 1.9600 p-Value 0.0000 Reject the null hypothesis Results from TI-84:
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Critical value for test statistic calculator