ST 432 Midterm: ST 432 NCSU problems Exam 2
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Chapter 4: section 4. 6 (comparing estimates) only; chapter 5 sections 5. 1-5. 10 in text. homework assignments: 3, 4 lecture worksheets: 8 - 16. There are and 4 strata with strata sizes. ! r using stratified random sampling with proportional allocation. The sample results are shown below. soil plots in the population. 3 : place a bound on the error of estimation. s. Fsi # z b # ! #(!% ! &%! s =: a large corporation has three farms where they produce corn. An agronomist for the corporation would like to estimate the average amount of corn produced per acre (in bushels) to within 3 bushels per acre. She would like to take a stratified random sample using the three farms as strata. From a previous year"s survey the agronomist has the following summary statistics: 8 ""! ! ""% ") !% 8 ""! ! #%$ #" ($ 8 ""! &*$ "& #$ .
