Sample Population

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    11-Apr-2015

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ประชากรและกลุ่มตัวอย่าง

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<p>Population and Sample</p> <p> (Elements) (Units of analysis) </p> <p> (1)</p> <p> (2)</p> <p> (1)</p> <p> .. 2501 2530 15 45 </p> <p> (2)</p> <p> ? </p> <p> () </p> <p>?</p> <p> (Homogeneity) (Heterogeneity) </p> <p> (Non probability sample)</p> <p> (Probability Sample)</p> <p> (Non probability sample) </p> <p> (Accidental Sample) (Quota Sample) (Purposive Sample)</p> <p> (Accidental Sample)</p> <p> (Quota Sample)</p> <p> 4 </p> <p> (Purposive Sample)</p> <p> (Probability Sample) </p> <p> (Simple Random Sampling) (Systematic Sampling) (Stratified Sampling) (Cluster Sampling) (Multi-stage Sampling) </p> <p> (Simple Random Sampling) n N () ()</p> <p>1 7 13 19 25 2 8 14 20 26 3 9 15 21 27 4 10 16 22 28 5 11 17 23 29 6 12 18 24 30</p> <p> (Stratified Sampling) ( ) 20% 25% 15% 10% 25% 10% 30% 20% 45%</p> <p> 60% 40% 100%</p> <p> (Systematic Sampling) 1 k k n k = 10 9 </p> <p> (Cluster Sampling) N n </p> <p> (Multi-stage Sampling) .. .1 .2 .3 3 3 3 2 2 100 100 100 100 100 100 100 100 100 100 100 100 100 </p> <p> 300 300 300 200 200</p>