UMUC plans to use a new tutorial to teach the students

UMUC plans to use a new tutorial to teach the students about
business ethics. As an experiment, the administrator randomly selected 15 students, and randomly assigned the to one of three groups: a PowerPoint presentation created by the faculty., Authored Presentation created by the faculty, a well-known tutorial by the ABC company. After completing their assignment tutorial, the students are given a Business Ethics test (please see information below. Use Excel Data Analysis at a=0.01 to decide which tutorial to use?
PowerPoint tutorial AuthorGen Tutorial ABC Tutorial
Tutorial 79,86,82,92,91 75,83,78,86,81
68,85,91,97,88
For a choice to be correct, each part of the choice must be correct. If two choices seem equally correct, choose the choice that does not depend on sample to sample variation

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