71.
All are examples of qualitative research except

72.
Area (cluster) sampling technique is used when

73.
An example of scientific knowledge is

74.
A researcher selects only 10 members from the total population of 50,000 as a sample. His research can be considered to be good if

75.
A teacher encounters various problems during his professional career. He should

76.
A research problem is feasible only when it is

77.
A researcher selects a probability sample of 100 out of the total population. It is

78.
Studying the social status of a population, a researcher concluded that Mr. S is socially backward. His conclusion is

79.
Generalised conclusion on the basis of a sample is technically known as

80.
A good hypothesis should be

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