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[object Object],[object Object],[object Object],Concept of sampling
[object Object],[object Object],[object Object]
29 Population Sample A sample is a subset of a larger population of objects individuals, households, businesses, organizations and so forth. Sampling enables researchers to make estimates of some  unknown characteristics of  the population in question A finite group is called population whereas a non-finite (infinite)  group is called universe A census is a investigation of all the individual elements of a  population
[object Object],[object Object],[object Object],[object Object],[object Object],Why sampling
Classification of Sampling Techniques Probability Sampling Techniques Stratified Sampling Cluster Sampling Simple random Sampling Sampling Techniques  Non-probability Sampling Techniques Convenience Sampling Judgment Samples Quota Sampling Snowball Sampling Systematic Sampling
[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],A  T   Y  W B   P  G  E  S  C  K   L  G   N  Q B   T G   K Population Sample Population not uniform Wrong procedure ?
[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],1   4  8  12 3   6  13   2  10  20  15   7   14  11   16  3   7 10  16 Population Sample Stratum 2 = even no. Stratum 1 = odd no.
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Section 5 Section 2 Section 1
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
 
[object Object]

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Sampling Techniques for Population Data Collection

  • 1.  
  • 2.
  • 3.
  • 4. 29 Population Sample A sample is a subset of a larger population of objects individuals, households, businesses, organizations and so forth. Sampling enables researchers to make estimates of some unknown characteristics of the population in question A finite group is called population whereas a non-finite (infinite) group is called universe A census is a investigation of all the individual elements of a population
  • 5.
  • 6. Classification of Sampling Techniques Probability Sampling Techniques Stratified Sampling Cluster Sampling Simple random Sampling Sampling Techniques Non-probability Sampling Techniques Convenience Sampling Judgment Samples Quota Sampling Snowball Sampling Systematic Sampling
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 15. Section 5 Section 2 Section 1
  • 16.
  • 17.
  • 18.  
  • 19.