UNIT-I INTRODUCTION TO SAMPLE SURVEYS The main objective

by lottery method units are selected in
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Intensive Study: Census method completely examines each unit and gathers important data for intensive study 4 Indispensable: Census method is indispensable in

Each unit has an equal chance of being drawn in the sample For ensuring that the Numbers are Chosen Randomly, one can use a random number table, Lottery method

bygholm slot The purposive sampling is selected by some arbitrary method because it is known to be representative of the total population, or it is known that it will

by lottery method units are selected in SRS is the most basic type of probability sampling For a sample of size n selected by SRS, each sampling unit in the sample has the same chance of selection,