321. Probability sampling is otherwise called
(a) Multiple choice
(b) Uni-variate Analysis
(c) Random Sampling
(d) Bi-variate Analysis
322. Sampling which provides for a known non zero chance of selection is
(a) Probability sampling
(b) Non probability sampling
(c) multiple Choice
(d) analysis
323. An example of probability sampling is
(a) Quota Sampling
(b) Snow-ball sampling
(c) Purposive sampling
(d) Lottery method
324. A Blue print of Research work is called
(a) Research Problem
(b) Research design
(c) Research tools
(d) Research methods
325. The concrete observable events which represent the abstract concepts or constructs are called
(a) Data
(b) Sample
(c) Variable
(d) Proposition
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