Primary data is collected directly from observations, experiments, or surveys. It can be gathered through:
Pre-designed experiments – Controlled research trials.
Fixed sampling techniques – Standardized data collection methods.
Thus, the correct answer is (c) Both (a) and (b).
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27 Mins English English100 Questions100 Marks120 Mins English English75 Questions300 Marks90 Mins EnglishThe proportion of habitable space from which insect counts are taken is called as
when the population standard deviation is known, the appropriate test is:
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