Saturday, November 23, 2013

One Sample Hypothesis

One proto vitrine surmisal Testing November 03, 2010 One Sample Hypothesis Testing The basic premise of scheme scrutiny is to prove or disprove a explore acresment. By allowing an error swan of 5% or less, and drawing conclusions base on statistical principles, one seat conclude that the findings must(prenominal) be faultless if chance alone could duplicate the results 5% of the time or less. A shadowy hypothesis cannot be proven; a research worker can only croak to reject it. If a researcher fails to reject a cryptograph hypothesis, they provisionally direct it, however an accepted hypothesis can be retested. thither are two tokens of possible errors when deciding the probability of a hypothesis. The first is a suit I error. A type I occurs when a null hypothesis is rejected plain though it is true. The second is a type II error. A type II error occurs when the researcher fails to reject a null hypothesis that is false. In closely cases, the true stead is unknown, as a result, the researchers are insensible they have affiliated an error. When rendering a decision on a null hypothesis, errors are likely to occur. However the credibly of either type of error can be drastically reduced by gathering more evidence (Doane & Seward, 2007, p. 348).
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thither is a volt step process that the researcher must conduct in order to answer any research question apply an inferential statistical test. STATING THE RESEARCH headway The first step in hypothesis testing is to state the research scenario as a question that identifies the population of interest, the statement of the v ariable, and the hypothesized value of the p! arameter. For example: The repute earnings for women in 2008 interpreted from the Wages and Wage Earners information Set was less than $25,000 annually. The population of interest is the annual salary for women in 2008. The parameter is the recollect of the annual salaries of women in 2008. In this example, the salary is continuous, and the hypothesized value of the parameter, the mean, is $25,000. Since the...If you sine qua non to get a full moon essay, order it on our website: OrderCustomPaper.com

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