In an SRSWR, a population unit can appear in the sample anywhere between 0 and n times.
Question:
Qi = number of times unit i appears in the sample,
And
a. Argue that the joint distribution of Q1,Q2, . . . ,QN is multinomial with n trials and
p1 =p2= · · · =pN =1/N.
b. Using (a) and properties of the multinomial distribution, show that E[ṫ]=t.
c. Using (a) and properties of the multinomial distribution, find V[ṫ ].
Distribution
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a We can think of drawing a simple random sample with replacement as p...View the full answer
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