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[DOC File]math.wsu.edu
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Does this suggest that the population proportion for this county during the current year differs from the previous statewide proportion? Conduct hypothesis test using . Test and CI for One Proportion . Test of p = 0.7 vs p not = 0.7. Sample X N 95% CI Z-Value P-Value. 1 160 200 0.800000 (0.744564, 0.855436) 3.09 0.002. Example . A university ...
two population proportion hypothesis test

[DOC File]Tests About a Population Proportion
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Test the hypothesis at 10% level of significance using a p-value. (c) Using a confidence interval, test the hypothesis at the 5% level of significance. [solutions:]. (a) ,. (b) , (c) A 95% confidence interval for is . Since , we reject . Example 3: Consider the following hypothesis test, A sample of 300 is selected.
hypothesis testing proportions examples

[DOC File]STAT 515 -- Chapter 8: Hypothesis Tests
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Hypothesis Tests about a Population Proportion. We often wish to test whether a population proportion p equals a specified value. Example 1: We suspect a theater is letting underage viewers into R-rated movies. Question: Is the proportion of R-rated movie viewers at this theater greater than 0.25? We test:
population proportion hypothesis test calculator

[DOC File]Hypothesis Testing:
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Population characteristics: Population proportion, p. p0 is the claimed constant. is the standard deviation of p. Test Statistics: . Need to check np0 ( 10 and n(1-p0) ( 10 to be able use the test statistic. Decision can be made in one of the two ways: Let z* be the computed test statistic value. Lower tailed test…
hypothesis test for proportion

[DOC File]Hypothesis Testing:
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Population characteristics: Population proportion, p. p0 is the claimed constant. is the standard deviation of p. Test Statistics: . Need to check np0 ( 10 and n(1-p0) ( 10 to be able use the test statistic. Decision can be made in one of the two ways: a. Let z* be the computed test statistic value. Lower tailed test…
two proportions hypothesis test

[DOC File]Chapter 7 Part II Hypothesis Testing
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8.5 z Test for a Proportion. A hypothesis test involving a population proportion can be considered as a binomial experiment when there are only two outcomes and the probability of a success does not change from trial to trial. Formula for the z Test for Proportions. Example 1: …
one sample proportion hypothesis test

Population proportion hypothesis test example