Gitesh Mandawara da893a5d76
Add Quantitative Analysis section with three free book resources (#12565)
* Add Quantitative Analysis section with three free book resources

- Added OpenIntro Statistics with CC BY license
- Added Fundamentals of Quantitative Analysis (CC BY-SA) source repo
- Added Applied Quantitative Finance draft (license unspecified; free for educational use)
- Included notes about licensing and usage for clarity

This adds a focused new section in free programming books for quantitative analysis/finance learners.

* Fix linter errors: list marker and spacing

* Fix linter errors: list marker and spacing #2

* Fix linter errors: list marker and spacing #3

* Refactor: Consolidate Quantitative resources into Statistics & apply all review feedback (Resolves #12565)

* **Relocation & Cleanup:** Moves all Quantitative Analysis entries to the 'Statistics' section under the 'Mathematics' heading, and deletes the obsolete 'Quantitative Analysis' section heading.
* **Content Cleanup:** Removes a duplicate entry for the 'OpenIntro Statistics' book.
* **Link Fixes:**
    * Updates the link for 'Applied Quantitative Finance' to the stable, free Springer PDF source, as requested.
    * Updates the link for 'Fundamentals of Quantitative Analysis' to the official `github.io` page.
* **Style Fix:** Removes the 'Dr.' honorific from the author name for 'Fundamentals of Quantitative Analysis'.
2025-10-17 21:53:31 -04:00
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