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More on ANOVA

Introduction

Questions

Question 1 out of 3.

The omnibus null hypothesis when performing an analysis of variance is that there are differences between group means; however, no prediction is made concerning where the differences lie.

  1. True
  2. False
Question 2 out of 3.

Unlike t tests, an ANOVA may be used to test for differences among more than 2 groups. 

  1. True
  2. False
Question 3 out of 3.

It is valid to do the Tukey HSD test without first finding a significant effect with an ANOVA. 

  1. True
  2. False
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  • line 7225 of /lib/moodlelib.php: call to debugging()
  • line 7292 of /lib/moodlelib.php: call to {closure}()
  • line 71 of /lib/classes/hook/output/before_footer_html_generation.php: call to get_plugins_with_function()
  • line 987 of /lib/classes/output/core_renderer.php: call to core\hook\output\before_footer_html_generation->process_legacy_callbacks()
  • line 97 of /mod/book/tool/print/index.php: call to core\output\core_renderer->footer()