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Fifty rats are randomly divided into Group A and Group B. The rats in Group A are given a series of training trials that differ in several respects from those given to Group B. Then each rat is given a test trial in which it has a choice of leaving the maze through a dark exit or a light exit.The following are the results for the test trial:

1089_choice of leaving the maze.png

You wish to determine whether rats trained like those in Group A differ from Group B rats in their exit preferences.

(a) Give H₀ and H_A in terms of the proportions preferring the dark exit (use symbols).

(b) Compute X² . Use .05.

(d) Calculate the phi coefficient and odds ratio.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92681149

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