A424Chapter17HW (1)

A424Chapter17HW (1) - Chapter 17 17-29 a The 10 random...

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17-29 a. The 10 random numbers selected will vary for each student. NOTE: Random dollar items are matched with population item numbers where the cumulative book value of the population includes the random dollar selected. b. Interval = Population total Number of items selected = 207,295 10 = 20,729 Interval Using 1857 as a starting point, we have: SYSTEMATIC DOLLAR POPULATION ITEM NO. 1 2 3 4 5 6 7 8 9 10 1,857 22,586 43,315 64,044 84,773 105,502 126,231 146,960 167,689 188,418 2 6 8 8 15 20 26 30 30 35 NOTE: Systematic dollar items are related to population item numbers in the same manner as for part a above. c. All items larger than the interval will be automatically included. If the interval is 20,729 item 30 will be included at least once, and item 8 at least twice. The same is not necessarily true for random number selection, but the probability is high. Note that for item 8, there is a probability of approximately 22% (44,110/207,295) of its being included in a given sample draw. It was included twice in a sample of 10. d.
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A424Chapter17HW (1) - Chapter 17 17-29 a The 10 random...

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