4 pp426-432 Mason M. In practice however there is a usually undesirable tendency to adjust other factors. A lack of knowledge about variability of the measurements indicates that substantial education is necessary before sample sizes can be calculated.
This installment will demonstrate two methods using the success-run theorem which uses the confidence level how sure we are and reliability value valid consistent results to determine appropriate statistically valid sample sizes for process validation.
S X 2 NP 1-P d 2 N-1 X 2 P1-P S required sample size X 2 the table value of chi-square for one degree of freedom at the desired confidence level N the population size P the population proportion assumed to be 50 since this would provide the. How many people are you talking about in total. Determine your margin of error. Arch Sex Behav 2012 4113191320 Boddy CR.