Discussion
Assertion (A) : A random sample is a systematic form of sample selection that is representative of a population.
Reason(R) : Hypothesis testing is always about a population and not about a sample in inferential statistics.
Codes :
Answer: C
The key gives the third option, both true and (R) the correct explanation of (A). A random sample is a systematic form of selection in which each member of the population has a known chance of being chosen, so it is representative of the population, and hypothesis testing in inferential statistics is concerned with a population, using the sample as the basis for the decision, which the key takes as the explanation. The relation between the two statements is a matter of reading, so a reviewer may note it. The other options are not accepted.
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