b. A forester wants to estimate the total number of farm acres planted in trees for a state. A stratified random sample

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b. A forester wants to estimate the total number of farm acres planted in trees for a state. A stratified random sample

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B A Forester Wants To Estimate The Total Number Of Farm Acres Planted In Trees For A State A Stratified Random Sample 1
B A Forester Wants To Estimate The Total Number Of Farm Acres Planted In Trees For A State A Stratified Random Sample 1 (37.94 KiB) Viewed 31 times
b. A forester wants to estimate the total number of farm acres planted in trees for a state. A stratified random sample of 40 farms, selected using proportional allocation, yields the results below. N 86 n 14 у 63.4 Si 32.7 Stratum 0 - 200 acres 200 - 400 acres 400 - 600 acres 600 + acres 72 52 12 9 183.0 340.6 95.2 129.6 30 5 472.4 269.0 i) ii) Estimate the total number of acres of trees on the farms and find a bound for the error of estimate. State two reasons why stratified random sampling is preferred to simple random sampling. [6+2]
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