there are two types of data collection:
1. complete/total sampling- all members of the population are measured
2. partial sampling- a proportion of members of the whole population is measured.
total enumeration is preferred for certain types of data. it has a high level of accuracy and provides a complete statistical coverage over space and time.
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try researching about total enumeration technique... it's the other name for universal sampling technique ^_^ Good luck..
more expensive , less expensive ,less time consuming and greater accuracy
Research tools are materials that are necessary to preform research. All inventions, discoveries and knowledge can become research tools.
In undertaking a research project,it requires the collection of data in order to arrive at a research conclusion
symbol for research hypothesis are written in two ways . Ha or H1 . both meant to address research hypothesis.