In simple random sampling of n units from a population of N units the quantity [1 - (n / N)] is called the

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SSC CGL Tier-II ( JSO ) 2016 Official Paper ( Held On : 2 Dec 2016 )
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  1. sampling fraction
  2. expansion factor
  3. finite population correction factor
  4. degrees of freedom

Answer (Detailed Solution Below)

Option 3 : finite population correction factor
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Explanation

I understand that when sampling from a finite population and our sample size is more than 5% of the population, we need to make a correction on the sample's mean and standard error using this formula:

⇒ FPC = N - n/(N - 1)

Where N is the population size and n is the sample size.

∴ In simple random sampling of n units from a population of N units the quantity [1 - (n / N)] is called the finite population correction factor

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