# Sampling theory

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Information about Sampling theory

Published on February 27, 2014

Author: srivastava4

Source: slideshare.net

Population: A set which includes all measurements of interest to the researcher (The collection of all responses, measurement, or counts that are of interest) Sample: A subset of the population

Target Population: The population to be studied/ to which the investigator wants to generalize his results Sampling Unit: Smallest unit from which sample can be selected Sampling Frame: List of all the sampling units from which sample is drawn Sampling Scheme: Method of selecting sampling units from sampling frame

Section 1 Section 2 Section 3 Section 5 Section 4

Sample size Quantitative n 2σ 2 Z D2 2 (σ1  σ 2 )xF 2 n 2 D Qualitative Z2 π(1  π) n D2 2 P (1 - P) F n D2

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