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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 6 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Siniff and Skook (1964) estimated the total number of caribou in the Nelchina caribou herd, which ranges over 22,000 square miles in a region north of Anchorage, Alaska. They divided the landscape (composed of 699 4 * 4 km survey plots) into six strata (labeled simply as A, B, . . . , F). Pilot surveys were used to obtain rough estimates of the number of caribou in each stratum. Assuming standard deviations to be approximately proportional to these estimates, determine optimal allocation of a sample of size 211 (their actual sample size). In their study, they modified the optimum to ensure that each stratum had at least 10% sample coverage.

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