Question: What is hypothesis test, null hypothesis? according to the book. Please provide an illutration of a scenario in which a one-sided hypothesis test would be

What is hypothesis test, null hypothesis? according to the book. Please provide an illutration of a scenario in which a one-sided hypothesis test would be employed instead of a two-sided hypothesis test.. include in-text and credible reference according to Elementary statistics: A step by step approach (11th ed.)

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