Stratified samples are widely used to study large areas of forest. Based on satellite images, a...
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Stratified samples are widely used to study large areas of forest. Based on satellite images, a forest area in the Amazon basin is divided into 14 types. Foresters studied the four most commercially valuable types: alluvial climax forests of quality levels 1, 2, and 3, and mature secondary forest. They divided the area of each type into large parcels, chose parcels of each type at random, and counted tree species in a 20- by 25-meter rectangle randomly placed within each parcel selected. Here is some detail: Forest Type Climax 1 Climax 2 Climax 3 Secondary Total Parcels 36 72 31 42 Sample Size 4 7 3 4 Choose the stratified sample of 18 parcels. Be sure to explain how you assigned labels to parcels. If you use Table B. start at line 112. Stratified samples are widely used to study large areas of forest. Based on satellite images, a forest area in the Amazon basin is divided into 14 types. Foresters studied the four most commercially valuable types: alluvial climax forests of quality levels 1, 2, and 3, and mature secondary forest. They divided the area of each type into large parcels, chose parcels of each type at random, and counted tree species in a 20- by 25-meter rectangle randomly placed within each parcel selected. Here is some detail: Forest Type Climax 1 Climax 2 Climax 3 Secondary Total Parcels 36 72 31 42 Sample Size 4 7 3 4 Choose the stratified sample of 18 parcels. Be sure to explain how you assigned labels to parcels. If you use Table B. start at line 112.
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To choose the stratified sample of 18 parcels we will assign labels to the parcels based on the give... View the full answer
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Marketing Research
ISBN: 9781119497639
13th Edition
Authors: V. Kumar, Robert P. Leone, David A. Aaker, George S. Day
Posted Date:
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