Refer to the Journal of Chemical Ecology (March 2013) study to determine the effectiveness of pheromones produced

Question:

Refer to the Journal of Chemical Ecology (March 2013) study to determine the effectiveness of pheromones produced by two different strains of fall armyworms, Exercise 7.68. Recall that both corn-strain and rice-strain male armyworms were released into a field containing a synthetic pheromone made from a corn-strain blend. A count of the number of males trapped by the pheromone was then determined. The experiment was conducted once in a corn field, then again in a grass field. The results are repeated in the accompanying table. In Exercise 7.78 you compared the proportions of corn-strain and rice-strain males trapped by the pheromone. 

a. Now, the researchers want to compare the proportion of corn-strain males trapped in the corn field to the proportion of corn-strain males trapped in the grass field. Carry out this comparison using a hypothesis test (at α = .10). What inference can you draw from the data? 

b. Repeat part a for the proportions of rice-strain males trapped by the pheromone.


Data from Exercise 7.68

A study was conducted to determine the effectiveness of pheromones produced by two different strains of fall armyworms — the corn-strain and the rice-strain (Journal of Chemical Ecology, March 2013). Both corn-strain and rice-strain male armyworms were released into a field containing a synthetic pheromone made from a corn-strain blend. A count of the number of males trapped by the pheromone was then determined. The experiment was conducted once in a corn field, then again in a grass field.

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Related Book For  book-img-for-question

Statistics For Engineering And The Sciences

ISBN: 9781498728850

6th Edition

Authors: William M. Mendenhall, Terry L. Sincich

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