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Basic Definitions and Concepts

Key Takeaways

  • Statistics is a study of data: describing properties of data (descriptive statistics) and drawing conclusions about a population based on information in a sample (inferential statistics).
  • The distinction between a population together with its parameters and a sample together with its statistics is a fundamental concept in inferential statistics.
  • Information in a sample is used to make inferences about the population from which the sample was drawn.
Callback before_footer in local_aigrade component should be migrated to new hook callback for core\hook\output\before_footer_html_generation
  • 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()