An investigator wants to take an unequal-probability sample of 10 of the 25 psus in the population listed below and in file exercise0602.dat, and wishes to sample units with replacement.
a. Adapt the cumulative-size method to draw a sample of size 10 with replacement with probabilities ψi. Instead of randomly selecting integers between 1 and
b. Adapt Lahiri’s method to draw a sample of size 10 with replacement with probabilities ψi. |

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