MA121: Mean, Median, Mode, and Variance | Saylor University

Callback standard_after_main_region_html in quizaccess_proctoring component should be migrated to new hook callback for core\hook\output\after_standard_main_region_html_generation

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MA121: Mean, Median, Mode, and Variance | Saylor University

Saylor University

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Watch this video series, which begins with a discussion on descriptive and inferential statistics and then talks about mean, median, mode, and sample variance.

Video 1: Intro Mean, Median and Mode
Video 2: Mean Median and Mode
Video 3: Sample Mean vs Population Mean
Video 4: Variance of a population
Video 5: Sample variance
Video 6: Review and Intuition: Divide by n-1

Source: Khan Academy,

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Last modified: Tuesday, 8 July 2025, 7:12 AM

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 94 of /mod/page/view.php: call to core\output\core_renderer->footer()