Question

Indicate which of the following is a parameter (P), and which is a statistic (S):

	a) population’s median
	b) sample’s mean
	c) a mean obtained from the U.S. census
	d) a mean obtained from sampling 2,000 American adults using random                                        digit dialing (phone sample)
	e) population’s count
	f) standard deviation of ½ of the given data
	g) sample’s standard deviation
	h) average number of defects after all the computers have being tested

Answer 1