Monday, May 6, 2019
Quantitative Methods and Analysis Essay Example | Topics and Well Written Essays - 250 words - 2
Quantitative Methods and Analysis - Essay ExampleHence it is of the essence(predicate) to select optimal level of pattern size. The sample size depends on some variables or parameters which should be considered by the researchers. These four parameters are the level of statistical power, p level, variability associated with treatment, and error variability (DMS, 2006).The firstly sample size computing device selected is available on the website of Raosoft (2004). This calculator calculate sample size on the basis of margin of error or impudence interval, confidence level, population size, and response dispersal. For example with 10% margin of error or confidence interval, 95% confidence level, 2000 population size, and 50% response distribution the sample size according to this calculator is minimum 96 subjects. The second sample size calculator selected is available on the website of Macorr Research Solutions. This calculator calculate sample size on the basis of confidence le vel, confidence interval, and population. For example, if the confidence level is 95%, confidence interval is 10%, and population size is 2000 the sample size according to this calculator is 92
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