Question: A physiological psychologist suspects that a new drug affects short-term memory. In order to test this idea, she administers a different dose of the drug to two groups of subjects. She then gives each group a short-term memory test and counts the number of errors made by each subject. The data (number of errors made by each subject) are shown below. Use a = 1% for this statistical test. Can the psychologist conclude that the drug affects short-term memory? (10 pts)

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