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what is the formula for sample size calculation. N Sample Size. If we are using three independent variables then a clear rule would be to have a minimum sample.
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E margin of error. The z-score is the number of standard deviations a given proportion is away from the mean. According to the World Health Organization WHO 2014 breast cancer accounted for 273 of deaths in Kuwaiti women.
The sample size n can be calculated using the following formula.
To find the right z-score to use refer to the table below. N Sample Size. S Standard Deviation of the Sample. Formula by Andrew fisher will be used by the researcher to determine the sample size of the study.
