Compute the value of the test statistic
[DOC File]Hypothesis Tests in Multiple Regression Analysis
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Test Statistic: You need to run two regressions, one for the full model and one for the reduced model as described above. Then calculate: Sampling Distribution: Under the null hypothesis the statistic follows an F-distribution with p - g and n – p degrees of freedom.
[DOC File]COMPREHENSIVE TUTORIAL _IV
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c. Compute the value of the test statistic z. What is your conclusion? d. Determine the p-value. Answers: a. Reject H0 if z < -1.96 or if z > 1.96. b. 0.01767. c. 4.52; reject H0. d. zero. A new soft drink is being market tested. A sample of 400 individuals participated in the taste test and 80 indicated they like the taste. a. At 95% ...
[DOC File]Columbia University in the City of New York
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The test statistic's value of 2.4 is in this interval, so we do not reject H0. 20. Suppose that in a two-tailed hypothesis test you compute the value of the test statistic as +2.00. What is the p-value? We look up 2.00 in the standard normal table and see that it corresponds to a probability of 0.4772. Therefore, the area under the normal curve ...
[DOC File]HW:
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Hypothesis Testing Procedure (P-Value Method) Step 1: State the hypotheses. Step 2: Compute the proper test statistic. Step 3: Use the test statistic to find the p-value (remember to look at the alternative hypothesis to see if you have a left tailed test, right tailed test, or two tailed test).
[DOC File]Columbia University in the City of New York
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Suppose that in a two-tailed hypothesis test you compute the value of the test statistic as -1.38. What is the p-value? 22. In #21 above, what is your statistical decision if you test the null hypothesis at the 0.01 level of significance? 23. Use the same information from Problem 17.
[DOC File]Mind On Statistics Test Bank
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A hypothesis test for a population proportion p is given below: H0: p = 0.10. Ha: p 010. For each sample size n and sample proportion compute the value of the z-statistic: Sample size n = 100 and sample proportion = 0.10. z-statistic = ? –1.00. 0.00 0.10 1.00 Sample size n = 100 and sample proportion = 0.15. z-statistic = ? –1.12
[DOC File]1 .edu
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The test statistic is used to compute a . P-value. which is the probability of getting a test statistic at least as extreme as the z-value observed, where the probability is computed when the null hypothesis is true. This is what the third step in the process is about. P-values.
[DOCX File]ww2.justanswer.com
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Jan 02, 2012 · Statistical value = 1.6615. Refer to Exhibit 12-2. The calculated value for the test statistic equalsa. 300 b. 1.6615 c. 6.6615 d. 0.5444 _____7. In a sample of 100 Republicans, 60 favored the President's anti-drug program. While in a sample of …
[DOCX File]HW:
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Hypothesis Testing Procedure (P-Value Method) Step 1: State the hypotheses. Step. 2: Compute the proper test statistic. Step . 3: Use the test statistic to find the p-value (remember to look at the alternative hypothesis to see if you have a left tailed test, right tailed test, or two tailed test…
[DOC File]CHAPTER 9—HYPOTHESIS TESTS
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a. Formulate the hypotheses to test to determine if the machine is in perfect adjustment. b. Compute the value of the test statistic. c. Compute the p-value and give your conclusion regarding the adjustment of the machine. Let = .05. ANS: a. H0: = 12 Ha: 12 b. t = -2.4 c. p-value is between 0.01 and 0.025; therefore, reject H0
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