Question: Distinguish between: (a) Statistic and parameter (b) Sample frame and population (c) Restricted and unrestricted sampling (d) Simple random and complex random sampling (e) Convenience

Distinguish between:
(a) Statistic and parameter
(b) Sample frame and population
(c) Restricted and unrestricted sampling
(d) Simple random and complex random sampling
(e) Convenience and purposive sampling
(f) Sample precision and sample accuracy
(g) Systematic and error variance
(h) Variable and attribute parameters
(i) Proportionate and disproportionate samples

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