Choose the appropriate sampling method for the following scenario. Be sure to consider potential biases that the researcher might need to consider. An EPA contractor needs to test the concentration of a substance in ten samples of the ground water. Seventy samples were already collected from a single source over the course of a week at regular intervals. The contractor wants to test samples evenly over the course of that time frame. A) Random B) Stratified C) Cluster D) Systematic E) Convenience
Choose the appropriate sampling method for the following scenario. Be sure to consider potential biases that the researcher might need to consider. An EPA contractor needs to test the concentration of a substance in ten samples of the ground water. Seventy samples were already collected from a single source over the course of a week at regular intervals. The contractor wants to test samples evenly over the course of that time frame. A) Random B) Stratified C) Cluster D) Systematic E) Convenience
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Choose the appropriate sampling method for the following scenario. Be sure to consider potential biases that the researcher might need to consider. An EPA contractor needs to test the concentration of a substance in ten samples of the ground water. Seventy samples were already collected from a single source over the course of a week at regular intervals. The contractor wants to test samples evenly over the course of that time frame.
A) Random
B) Stratified
C) Cluster
D) Systematic
E) Convenience
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