With respect to the sampling plan three decisions must be made.The decisions are: the sampling unitwho is to be surveyed? Samplesizehow many people should be surveyed? And ________.A. sample supervisorwho will lead the sampling effort?B. sampling procedurehow should the respondents bechosen?C. surveyor skillwho will do the surveying?D. sample securityhow to protect the sample data?E. sample costhow much does sampling cost?