question archive A sample of 3,014 steelworkers was selected to find out if they will go on strike on Monday
A sample of 3,014 steelworkers was selected to find out if they will go on strike on Monday
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A sample of 3,014 steelworkers was selected to find out if they will go on strike on Monday. Over 50% (actually 53.2%), of those in the sample said they would go out on strike. Since the number sampled is large and those advocating a strike constitute over 50%, can we assume that the majority of all steelworkers favor a strike? (assume the sample is large enough and random and representative)
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Samples are selected randomly to represent the population approximately. It means the higher and the random the sample is, the better it will represent the population. If we have a large sample that is selected, from the targetted population, randomly then we can say that the result of the sample is reliable.
Therefore:
We can assume that the majority of all steelworkers favor a strike because we have a large sample and those advocating a strike, in the sample, constitutes over 50%.
