To determine the size of the sample, according to Robert V. Krejcie properties and Earyle W. Morgan University properties Minisota Taxas University (1970).Create a table and sample size, population size up. So the researchers can choose the size of the sample, as defined in the table.This table is used by estimating the proportion of the population and determine the value of the proportion of the population is equal to 0.5 in level of acceptable tolerances of 5%And 95% confidence level, and can calculate the sample size of the group, with a smaller population from 10 upwards.
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