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Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570

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BuyFindarrow_forward

Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570
Textbook Problem

With k = 2 treatments, are post hoc tests necessary when the null hypothesis is rejected? Explain why or why not.

To determine

To explain: If post-hoc tests are necessary when null hypothesis is rejected and there are k=2 treatments.

Explanation

Post-hoc tests are done after a hypothesis testing problem, when:

  • H0 is rejected
  • There are 3 or more than 3 treatments i.e. k3, and ANOVA is performed

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