Determination of Sample Size for Estimation of Population Mean


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Sampling design is SRSWOR



Case I-  Population coefficient of variation is unknown and values of a preliminary sample are used for estimation of coefficient of variation

Case II-  Population coefficient of variation is known


Sampling design is SRSWR



Case I-  Population coefficient of variation is unknown and values of a preliminary sample are used for estimation of coefficient of variation

Case II-   Population coefficient of variation is known