Question Details

The reason the Central Limit Theorem  




1.	The approximate 95% confidence interval for a population mean is:
a.	 	c.	 
b.	 	d.	 


	

	2.	The finite population correction factor,   , should generally be used when:
a.	N is any finite size
b.	n is less than 5% of the population size N
c.	n is greater than 5% of the population size N
d.	n is any finite size


	

	3.	The reason the Central Limit Theorem  (CLT) is such an important result in statistics is because:
a.	The CLT allows us to assume that the population distribution is approximately normal, provided n is reasonably large
b.	The CLT allows us to estimate the population mean without knowing the exact form of the population distribution, provided n is reasonably large
c.	The CLT allows us to construct confidence intervals for the population mean without knowing the exact form of the population distribution, provided n is reasonably large
d.	All of these options


	

	4.	The Central Limit Theorem (CLT) is generally valid for:
a.	n > 5
b.	n > 10
c.	n > 20
d.	n > 30
e.	any size n


	

	5.	The averaging effect means that as you average more and more observations from a given distribution, the variance of the average
a.	increases
b.	decreases
c.	is unaffected
d.	could either increase, decrease or stay the same





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