Question

A biologist is studying the plant diversity in 15 million acres of the Sierra Nevada Mountains. He will count the number of species in 150 acres. Match the strategies to their corresponding sampling techniques. - The biologist enters the 15 million acres into a data base and had a computer randomly select 150 of these acres. The biologist goes to his 150 favorite hiking places and looks at an acres along each trail. - The biologist classifies the Sierras into 10 different ecological types and then makes sure that the proportion of each ecological type from the sample is the same as the proportion of that of the population. The biologist goes to 15 diverse locations that have 10 acres each and surveys all 10 acres for each of these 15 locations. - The biologist orders the 15 million acres by latitude and then surveys every 100000th acre on the list. a. Systematic Sampling b. Cluster Sampling c. Simple Random Sampling d. Stratified Sampling e. Convenience Sampling

Answer 1

17 - 2) © option is correct simple Eandom sampling Biologist choose as per his liking convenience sampling option convenience sampling - In and - thiest statement he done strata take eandom sample option (d) steatified consider 15 clusters for 47 O Here biologist his analysis option b cluster sampling Biologist make sustamatic way - option @ systamatic sampling