UIC 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 them to one of three groups: a PowerPoint presentation created by the faculty , AuthorGen Presentation created by the faculty, or a well-known tutorial by the ABC company.

Use Excel Data Analysis at

A)F = 0.684 < Fcrit 6.927

B)F = 0.834

C) F = 0.684 < Fcrit 3.885

D) F = 0.834 > Fcrit 0.388

E) F = 0.834 < Fcrit 6.927

F) F = 0.834 > Fcrit 0.692

For a choice to be correct, each part of the choice must be correct. If two choices seem to be equally correct, choose the choice that does not depend on sample to sample variation.