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One survey by the American Medical Association showed that among 785 randomly selected people who completed four years of college, 81.7% do not smoke. Use a 0.01 significance level to test the claim that people who completed four
asked by Allison on April 27, 2014 
Statistics
One survey by the American Medical Association showed that among 785 randomly selected people who completed four years of college, 81.7% do not smoke. Use a 0.01 significance level to test the claim that people who completed four
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In a survey of 300 college graduates, 58% reported that they entered a profession closely related to their college major. If 6 of those survey subjects are randomly selected without replacement for a followup survey, what is the
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In a survey randomly selected subjects, the mean age of the 36 respondents is 40.0 years and the standard deviation of the ages is 10.0 years. Use these sample results to construct a 95% confidence interval estimate of the mean
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7. In a certain survey, 30% of those questioned are given an incentive to complete the survey. Of those who receive incentives, 80% completed the survey. Of those who do not receive incentives, 25% completed the survey. a. Find
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statistics
A group of 49 randomly selected construction workers has a mean age of 22.4 years with a standard deviation of 3.8. According to a recent survey, the mean age should be mu=21.9. Test this hypothesis by constructing a 98%
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A survey showed that 23 % of college students read newspapers on a regular basis and that 82 % of college students regularly watch the news on TV. The survey also showed that 21 % of college students both follow TV news regularly
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A movie complex has eight different movie theaters. The manager of the complex wants to conduct a survey to determine which snacks to add to the menu. Which represents the best sample the manager could use for the survey? Survey
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This week we practice with Binomial Distribution. You can use Appendix Table E or Excel Function Binomdist. About 30% of adults in United States have college degree. (probability that person has college degree is p = 0.30). If N
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Can 2 X 2 betweensubject ANOVA be used if participants were from the same class and all completed the same survey? For example, say the two conditions were athletic status(athlete vs nonathlete) and parent status (parent or not
asked by 2way ANOVA on April 29, 2017