In another experiment, fishes were placed in separate aquarium tanks with water coming from three different waterways in Los Baños.  Three tanks were filled with water from each source and equal number of fish were placed in each tank. The tanks were refilled as required with water from the original sources. Two plant species known to be bioremediators were tested and compared with a control (no plants).  Three tanks were assigned to each of the plant species and the control.  After three months, a sample of fish was taken from each tank and evaluated whether the fish contains heavy metals above the threshhold(1) and 0, otherwise.  Which is the most appropriate procedure to compare the plant species and the control?  A. F-test B. t-test C. Cochran’s Q D. Friedman test

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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In another experiment, fishes were placed in separate aquarium tanks with water coming from three different waterways in Los Baños.  Three tanks were filled with water from each source and equal number of fish were placed in each tank. The tanks were refilled as required with water from the original sources. Two plant species known to be bioremediators were tested and compared with a control (no plants).  Three tanks were assigned to each of the plant species and the control.  After three months, a sample of fish was taken from each tank and evaluated whether the fish contains heavy metals above the threshhold(1) and 0, otherwise.  Which is the most appropriate procedure to compare the plant species and the control? 

A. F-test B. t-test C. Cochran’s Q D. Friedman test

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