Sampling Step 1 using sampling methods multistage (Multi-Stage Sampling) is to divide the population into two types of schools (general) and college (vocational) The probability is proportional to the size (Sampling. with Probability Proportional to Size: PPS) has 2 schools, hospitals and colleges, two colleges Step 2 sampling classroom with a population of interest by means of sampling Simple (Simple Random Sampling), the school has 10 classrooms and the school has 12 classrooms Step 3 hours. Sampling population in each classroom. Using random sampling Simple (Simple Random Sampling), the school has a sample of 69 people and college sample of 112 people, including a number of samples is 400, but when the data actually has a number of examples where 476 people for reasons previously discussed. beginning
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